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* [dpdk-stable] [PATCH] eal/linuxapp: improve segment list preallocation
@ 2018-10-04 16:13 Anatoly Burakov
  2018-10-05  8:29 ` [dpdk-stable] [PATCH v2] " Anatoly Burakov
  0 siblings, 1 reply; 3+ messages in thread
From: Anatoly Burakov @ 2018-10-04 16:13 UTC (permalink / raw)
  To: dev; +Cc: Ravi1.Kumar, stable

Current code to preallocate segment lists is trying to do
everything in one go, and thus ends up being convoluted,
hard to understand, and, most importantly, does not scale beyond
initial assumptions about number of NUMA nodes and number of
page sizes, and therefore has issues on some configurations.

Instead of fixing these issues in the existing code, simply
rewrite it to be slightly less clever but much more logical, and
provide ample comments to explain exactly what is going on.

We cannot use the same approach for 32-bit code because the
limitations of the target dictate current socket-centric
approach rather than type-centric approach we use on 64-bit
target, so 32-bit code is left unmodified. FreeBSD doesn't
support NUMA so there's no complexity involved there, and thus
its code is much more readable and not worth changing.

Fixes: 1d406458db47 ("mem: make segment preallocation OS-specific")
Cc: stable@dpdk.org

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---
 lib/librte_eal/linuxapp/eal/eal_memory.c | 179 +++++++++++++++++------
 1 file changed, 137 insertions(+), 42 deletions(-)

diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c
index 78bfa2241..af485e08b 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -2128,18 +2128,65 @@ static int __rte_unused
 memseg_primary_init(void)
 {
 	struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
-	int i, socket_id, hpi_idx, msl_idx = 0;
+	struct memtype {
+		uint64_t page_sz;
+		int socket_id;
+	} *memtypes = NULL;
+	int i, hpi_idx, msl_idx;
 	struct rte_memseg_list *msl;
-	uint64_t max_mem, total_mem;
+	uint64_t max_mem, max_mem_per_type;
+	unsigned int max_seglists_per_type;
+	unsigned int n_memtypes, cur_type;
 
 	/* no-huge does not need this at all */
 	if (internal_config.no_hugetlbfs)
 		return 0;
 
-	max_mem = (uint64_t)RTE_MAX_MEM_MB << 20;
-	total_mem = 0;
+	/*
+	 * figuring out amount of memory we're going to have is a long and very
+	 * involved process. the basic element we're operating with is a memory
+	 * type, defined as a combination of NUMA node ID and page size (so that
+	 * e.g. 2 sockets with 2 page sizes yield 4 memory types in total).
+	 *
+	 * deciding amount of memory going towards each memory type is a
+	 * balancing act between maximum segments per type, maximum memory per
+	 * type, and number of detected NUMA nodes. the goal is to make sure
+	 * each memory type gets at least one memseg list.
+	 *
+	 * the total amount of memory is limited by RTE_MAX_MEM_MB value.
+	 *
+	 * the total amount of memory per type is limited by either
+	 * RTE_MAX_MEM_MB_PER_TYPE, or by RTE_MAX_MEM_MB divided by the number
+	 * of detected NUMA nodes. additionally, maximum number of segments per
+	 * type is also limited by RTE_MAX_MEMSEG_PER_TYPE. this is because for
+	 * smaller page sizes, it can take hundreds of thousands of segments to
+	 * reach the above specified per-type memory limits.
+	 *
+	 * additionally, each type may have multiple memseg lists associated
+	 * with it, each limited by either RTE_MAX_MEM_MB_PER_LIST for bigger
+	 * page sizes, or RTE_MAX_MEMSEG_PER_LIST segments for smaller ones.
+	 *
+	 * the number of memseg lists per type is decided based on the above
+	 * limits, and also taking number of detected NUMA nodes, to make sure
+	 * that we don't run out of memseg lists before we populate all NUMA
+	 * nodes with memory.
+	 *
+	 * we do this in three stages. first, we collect the number of types.
+	 * then, we figure out memory constraints and populate the list of
+	 * would-be memseg lists. then, we go ahead and allocate the memseg
+	 * lists.
+	 */
 
-	/* create memseg lists */
+	/* create space for mem types */
+	n_memtypes = internal_config.num_hugepage_sizes * rte_socket_count();
+	memtypes = calloc(n_memtypes, sizeof(*memtypes));
+	if (memtypes == NULL) {
+		RTE_LOG(ERR, EAL, "Cannot allocate space for memory types\n");
+		return -1;
+	}
+
+	/* populate mem types */
+	cur_type = 0;
 	for (hpi_idx = 0; hpi_idx < (int) internal_config.num_hugepage_sizes;
 			hpi_idx++) {
 		struct hugepage_info *hpi;
@@ -2148,59 +2195,107 @@ memseg_primary_init(void)
 		hpi = &internal_config.hugepage_info[hpi_idx];
 		hugepage_sz = hpi->hugepage_sz;
 
-		for (i = 0; i < (int) rte_socket_count(); i++) {
-			uint64_t max_type_mem, total_type_mem = 0;
-			int type_msl_idx, max_segs, total_segs = 0;
-
-			socket_id = rte_socket_id_by_idx(i);
+		for (i = 0; i < (int) rte_socket_count(); i++, cur_type++) {
+			int socket_id = rte_socket_id_by_idx(i);
 
 #ifndef RTE_EAL_NUMA_AWARE_HUGEPAGES
 			if (socket_id > 0)
 				break;
 #endif
+			memtypes[cur_type].page_sz = hugepage_sz;
+			memtypes[cur_type].socket_id = socket_id;
 
-			if (total_mem >= max_mem)
-				break;
+			RTE_LOG(DEBUG, EAL, "Detected memory type: "
+				"socket_id:%u hugepage_sz:%" PRIu64 "\n",
+				socket_id, hugepage_sz);
+		}
+	}
 
-			max_type_mem = RTE_MIN(max_mem - total_mem,
-				(uint64_t)RTE_MAX_MEM_MB_PER_TYPE << 20);
-			max_segs = RTE_MAX_MEMSEG_PER_TYPE;
+	/* set up limits for types */
+	max_mem = (uint64_t)RTE_MAX_MEM_MB << 20;
+	max_mem_per_type = RTE_MIN((uint64_t)RTE_MAX_MEM_MB_PER_TYPE << 20,
+			max_mem / rte_socket_count());
+	/*
+	 * limit maximum number of segment lists per type to ensure there's
+	 * space for memseg lists for all NUMA nodes with all page sizes
+	 */
+	max_seglists_per_type = RTE_MAX_MEMSEG_LISTS / n_memtypes;
 
-			type_msl_idx = 0;
-			while (total_type_mem < max_type_mem &&
-					total_segs < max_segs) {
-				uint64_t cur_max_mem, cur_mem;
-				unsigned int n_segs;
+	if (max_seglists_per_type == 0) {
+		RTE_LOG(ERR, EAL, "Cannot accommodate all memory types, please increase %s\n",
+			RTE_STR(CONFIG_RTE_MAX_MEMSEG_LISTS));
+		return -1;
+	}
 
-				if (msl_idx >= RTE_MAX_MEMSEG_LISTS) {
-					RTE_LOG(ERR, EAL,
-						"No more space in memseg lists, please increase %s\n",
-						RTE_STR(CONFIG_RTE_MAX_MEMSEG_LISTS));
-					return -1;
-				}
+	/* go through all mem types and create segment lists */
+	msl_idx = 0;
+	for (cur_type = 0; cur_type < n_memtypes; cur_type++) {
+		unsigned int cur_seglist, n_seglists, n_segs;
+		unsigned int max_segs_per_type, max_segs_per_list;
+		struct memtype *type = &memtypes[cur_type];
+		uint64_t max_mem_per_list, pagesz;
+		int socket_id;
 
-				msl = &mcfg->memsegs[msl_idx++];
+		pagesz = type->page_sz;
+		socket_id = type->socket_id;
 
-				cur_max_mem = max_type_mem - total_type_mem;
+		/*
+		 * we need to create segment lists for this type. we must take
+		 * into account the following things:
+		 *
+		 * 1. total amount of memory we can use for this memory type
+		 * 2. total amount of memory per memseg list allowed
+		 * 3. number of segments needed to fit the amount of memory
+		 * 4. number of segments allowed per type
+		 * 5. number of segments allowed per memseg list
+		 * 6. number of memseg lists we are allowed to take up
+		 */
 
-				cur_mem = get_mem_amount(hugepage_sz,
-						cur_max_mem);
-				n_segs = cur_mem / hugepage_sz;
+		/* calculate how much segments we will need in total */
+		max_segs_per_type = max_mem_per_type / pagesz;
+		/* limit number of segments to maximum allowed per type */
+		max_segs_per_type = RTE_MIN(max_segs_per_type,
+				(unsigned int)RTE_MAX_MEMSEG_PER_TYPE);
+		/* limit number of segments to maximum allowed per list */
+		max_segs_per_list = RTE_MIN(max_segs_per_type,
+				(unsigned int)RTE_MAX_MEMSEG_PER_LIST);
 
-				if (alloc_memseg_list(msl, hugepage_sz, n_segs,
-						socket_id, type_msl_idx))
-					return -1;
+		/* calculate how much memory we can have per segment list */
+		max_mem_per_list = RTE_MIN(max_segs_per_list * pagesz,
+				(uint64_t)RTE_MAX_MEM_MB_PER_LIST << 20);
 
-				total_segs += msl->memseg_arr.len;
-				total_type_mem = total_segs * hugepage_sz;
-				type_msl_idx++;
+		/* calculate how many segments each segment list will have */
+		n_segs = RTE_MIN(max_segs_per_list, max_mem_per_list / pagesz);
 
-				if (alloc_va_space(msl)) {
-					RTE_LOG(ERR, EAL, "Cannot allocate VA space for memseg list\n");
-					return -1;
-				}
+		/* calculate how many segment lists we can have */
+		n_seglists = RTE_MIN(max_segs_per_type / n_segs,
+				max_mem_per_type / max_mem_per_list);
+
+		/* limit number of segment lists according to our maximum */
+		n_seglists = RTE_MIN(n_seglists, max_seglists_per_type);
+
+		RTE_LOG(DEBUG, EAL, "Creating %i segment lists: "
+				"n_segs:%i socket_id:%i hugepage_sz:%" PRIu64 "\n",
+			n_seglists, n_segs, socket_id, pagesz);
+
+		/* create all segment lists */
+		for (cur_seglist = 0; cur_seglist < n_seglists; cur_seglist++) {
+			if (msl_idx >= RTE_MAX_MEMSEG_LISTS) {
+				RTE_LOG(ERR, EAL,
+					"No more space in memseg lists, please increase %s\n",
+					RTE_STR(CONFIG_RTE_MAX_MEMSEG_LISTS));
+				return -1;
+			}
+			msl = &mcfg->memsegs[msl_idx++];
+
+			if (alloc_memseg_list(msl, pagesz, n_segs,
+					socket_id, cur_seglist))
+				return -1;
+
+			if (alloc_va_space(msl)) {
+				RTE_LOG(ERR, EAL, "Cannot allocate VA space for memseg list\n");
+				return -1;
 			}
-			total_mem += total_type_mem;
 		}
 	}
 	return 0;
-- 
2.17.1

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [dpdk-stable] [PATCH v2] eal/linuxapp: improve segment list preallocation
  2018-10-04 16:13 [dpdk-stable] [PATCH] eal/linuxapp: improve segment list preallocation Anatoly Burakov
@ 2018-10-05  8:29 ` Anatoly Burakov
  2018-10-22 10:32   ` Thomas Monjalon
  0 siblings, 1 reply; 3+ messages in thread
From: Anatoly Burakov @ 2018-10-05  8:29 UTC (permalink / raw)
  To: dev; +Cc: Ravi1.Kumar, stable

Current code to preallocate segment lists is trying to do
everything in one go, and thus ends up being convoluted,
hard to understand, and, most importantly, does not scale beyond
initial assumptions about number of NUMA nodes and number of
page sizes, and therefore has issues on some configurations.

Instead of fixing these issues in the existing code, simply
rewrite it to be slightly less clever but much more logical, and
provide ample comments to explain exactly what is going on.

We cannot use the same approach for 32-bit code because the
limitations of the target dictate current socket-centric
approach rather than type-centric approach we use on 64-bit
target, so 32-bit code is left unmodified. FreeBSD doesn't
support NUMA so there's no complexity involved there, and thus
its code is much more readable and not worth changing.

Fixes: 1d406458db47 ("mem: make segment preallocation OS-specific")
Cc: stable@dpdk.org

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
---

Notes:
    v2:
    - Fix max mem amount calculation from relying on total number of
      sockets to total number of mem types

 lib/librte_eal/linuxapp/eal/eal_memory.c | 179 +++++++++++++++++------
 1 file changed, 137 insertions(+), 42 deletions(-)

diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c
index 78bfa2241..047d0a869 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -2128,18 +2128,65 @@ static int __rte_unused
 memseg_primary_init(void)
 {
 	struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
-	int i, socket_id, hpi_idx, msl_idx = 0;
+	struct memtype {
+		uint64_t page_sz;
+		int socket_id;
+	} *memtypes = NULL;
+	int i, hpi_idx, msl_idx;
 	struct rte_memseg_list *msl;
-	uint64_t max_mem, total_mem;
+	uint64_t max_mem, max_mem_per_type;
+	unsigned int max_seglists_per_type;
+	unsigned int n_memtypes, cur_type;
 
 	/* no-huge does not need this at all */
 	if (internal_config.no_hugetlbfs)
 		return 0;
 
-	max_mem = (uint64_t)RTE_MAX_MEM_MB << 20;
-	total_mem = 0;
+	/*
+	 * figuring out amount of memory we're going to have is a long and very
+	 * involved process. the basic element we're operating with is a memory
+	 * type, defined as a combination of NUMA node ID and page size (so that
+	 * e.g. 2 sockets with 2 page sizes yield 4 memory types in total).
+	 *
+	 * deciding amount of memory going towards each memory type is a
+	 * balancing act between maximum segments per type, maximum memory per
+	 * type, and number of detected NUMA nodes. the goal is to make sure
+	 * each memory type gets at least one memseg list.
+	 *
+	 * the total amount of memory is limited by RTE_MAX_MEM_MB value.
+	 *
+	 * the total amount of memory per type is limited by either
+	 * RTE_MAX_MEM_MB_PER_TYPE, or by RTE_MAX_MEM_MB divided by the number
+	 * of detected NUMA nodes. additionally, maximum number of segments per
+	 * type is also limited by RTE_MAX_MEMSEG_PER_TYPE. this is because for
+	 * smaller page sizes, it can take hundreds of thousands of segments to
+	 * reach the above specified per-type memory limits.
+	 *
+	 * additionally, each type may have multiple memseg lists associated
+	 * with it, each limited by either RTE_MAX_MEM_MB_PER_LIST for bigger
+	 * page sizes, or RTE_MAX_MEMSEG_PER_LIST segments for smaller ones.
+	 *
+	 * the number of memseg lists per type is decided based on the above
+	 * limits, and also taking number of detected NUMA nodes, to make sure
+	 * that we don't run out of memseg lists before we populate all NUMA
+	 * nodes with memory.
+	 *
+	 * we do this in three stages. first, we collect the number of types.
+	 * then, we figure out memory constraints and populate the list of
+	 * would-be memseg lists. then, we go ahead and allocate the memseg
+	 * lists.
+	 */
 
-	/* create memseg lists */
+	/* create space for mem types */
+	n_memtypes = internal_config.num_hugepage_sizes * rte_socket_count();
+	memtypes = calloc(n_memtypes, sizeof(*memtypes));
+	if (memtypes == NULL) {
+		RTE_LOG(ERR, EAL, "Cannot allocate space for memory types\n");
+		return -1;
+	}
+
+	/* populate mem types */
+	cur_type = 0;
 	for (hpi_idx = 0; hpi_idx < (int) internal_config.num_hugepage_sizes;
 			hpi_idx++) {
 		struct hugepage_info *hpi;
@@ -2148,59 +2195,107 @@ memseg_primary_init(void)
 		hpi = &internal_config.hugepage_info[hpi_idx];
 		hugepage_sz = hpi->hugepage_sz;
 
-		for (i = 0; i < (int) rte_socket_count(); i++) {
-			uint64_t max_type_mem, total_type_mem = 0;
-			int type_msl_idx, max_segs, total_segs = 0;
-
-			socket_id = rte_socket_id_by_idx(i);
+		for (i = 0; i < (int) rte_socket_count(); i++, cur_type++) {
+			int socket_id = rte_socket_id_by_idx(i);
 
 #ifndef RTE_EAL_NUMA_AWARE_HUGEPAGES
 			if (socket_id > 0)
 				break;
 #endif
+			memtypes[cur_type].page_sz = hugepage_sz;
+			memtypes[cur_type].socket_id = socket_id;
 
-			if (total_mem >= max_mem)
-				break;
+			RTE_LOG(DEBUG, EAL, "Detected memory type: "
+				"socket_id:%u hugepage_sz:%" PRIu64 "\n",
+				socket_id, hugepage_sz);
+		}
+	}
 
-			max_type_mem = RTE_MIN(max_mem - total_mem,
-				(uint64_t)RTE_MAX_MEM_MB_PER_TYPE << 20);
-			max_segs = RTE_MAX_MEMSEG_PER_TYPE;
+	/* set up limits for types */
+	max_mem = (uint64_t)RTE_MAX_MEM_MB << 20;
+	max_mem_per_type = RTE_MIN((uint64_t)RTE_MAX_MEM_MB_PER_TYPE << 20,
+			max_mem / n_memtypes);
+	/*
+	 * limit maximum number of segment lists per type to ensure there's
+	 * space for memseg lists for all NUMA nodes with all page sizes
+	 */
+	max_seglists_per_type = RTE_MAX_MEMSEG_LISTS / n_memtypes;
 
-			type_msl_idx = 0;
-			while (total_type_mem < max_type_mem &&
-					total_segs < max_segs) {
-				uint64_t cur_max_mem, cur_mem;
-				unsigned int n_segs;
+	if (max_seglists_per_type == 0) {
+		RTE_LOG(ERR, EAL, "Cannot accommodate all memory types, please increase %s\n",
+			RTE_STR(CONFIG_RTE_MAX_MEMSEG_LISTS));
+		return -1;
+	}
 
-				if (msl_idx >= RTE_MAX_MEMSEG_LISTS) {
-					RTE_LOG(ERR, EAL,
-						"No more space in memseg lists, please increase %s\n",
-						RTE_STR(CONFIG_RTE_MAX_MEMSEG_LISTS));
-					return -1;
-				}
+	/* go through all mem types and create segment lists */
+	msl_idx = 0;
+	for (cur_type = 0; cur_type < n_memtypes; cur_type++) {
+		unsigned int cur_seglist, n_seglists, n_segs;
+		unsigned int max_segs_per_type, max_segs_per_list;
+		struct memtype *type = &memtypes[cur_type];
+		uint64_t max_mem_per_list, pagesz;
+		int socket_id;
 
-				msl = &mcfg->memsegs[msl_idx++];
+		pagesz = type->page_sz;
+		socket_id = type->socket_id;
 
-				cur_max_mem = max_type_mem - total_type_mem;
+		/*
+		 * we need to create segment lists for this type. we must take
+		 * into account the following things:
+		 *
+		 * 1. total amount of memory we can use for this memory type
+		 * 2. total amount of memory per memseg list allowed
+		 * 3. number of segments needed to fit the amount of memory
+		 * 4. number of segments allowed per type
+		 * 5. number of segments allowed per memseg list
+		 * 6. number of memseg lists we are allowed to take up
+		 */
 
-				cur_mem = get_mem_amount(hugepage_sz,
-						cur_max_mem);
-				n_segs = cur_mem / hugepage_sz;
+		/* calculate how much segments we will need in total */
+		max_segs_per_type = max_mem_per_type / pagesz;
+		/* limit number of segments to maximum allowed per type */
+		max_segs_per_type = RTE_MIN(max_segs_per_type,
+				(unsigned int)RTE_MAX_MEMSEG_PER_TYPE);
+		/* limit number of segments to maximum allowed per list */
+		max_segs_per_list = RTE_MIN(max_segs_per_type,
+				(unsigned int)RTE_MAX_MEMSEG_PER_LIST);
 
-				if (alloc_memseg_list(msl, hugepage_sz, n_segs,
-						socket_id, type_msl_idx))
-					return -1;
+		/* calculate how much memory we can have per segment list */
+		max_mem_per_list = RTE_MIN(max_segs_per_list * pagesz,
+				(uint64_t)RTE_MAX_MEM_MB_PER_LIST << 20);
 
-				total_segs += msl->memseg_arr.len;
-				total_type_mem = total_segs * hugepage_sz;
-				type_msl_idx++;
+		/* calculate how many segments each segment list will have */
+		n_segs = RTE_MIN(max_segs_per_list, max_mem_per_list / pagesz);
 
-				if (alloc_va_space(msl)) {
-					RTE_LOG(ERR, EAL, "Cannot allocate VA space for memseg list\n");
-					return -1;
-				}
+		/* calculate how many segment lists we can have */
+		n_seglists = RTE_MIN(max_segs_per_type / n_segs,
+				max_mem_per_type / max_mem_per_list);
+
+		/* limit number of segment lists according to our maximum */
+		n_seglists = RTE_MIN(n_seglists, max_seglists_per_type);
+
+		RTE_LOG(DEBUG, EAL, "Creating %i segment lists: "
+				"n_segs:%i socket_id:%i hugepage_sz:%" PRIu64 "\n",
+			n_seglists, n_segs, socket_id, pagesz);
+
+		/* create all segment lists */
+		for (cur_seglist = 0; cur_seglist < n_seglists; cur_seglist++) {
+			if (msl_idx >= RTE_MAX_MEMSEG_LISTS) {
+				RTE_LOG(ERR, EAL,
+					"No more space in memseg lists, please increase %s\n",
+					RTE_STR(CONFIG_RTE_MAX_MEMSEG_LISTS));
+				return -1;
+			}
+			msl = &mcfg->memsegs[msl_idx++];
+
+			if (alloc_memseg_list(msl, pagesz, n_segs,
+					socket_id, cur_seglist))
+				return -1;
+
+			if (alloc_va_space(msl)) {
+				RTE_LOG(ERR, EAL, "Cannot allocate VA space for memseg list\n");
+				return -1;
 			}
-			total_mem += total_type_mem;
 		}
 	}
 	return 0;
-- 
2.17.1

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-stable] [PATCH v2] eal/linuxapp: improve segment list preallocation
  2018-10-05  8:29 ` [dpdk-stable] [PATCH v2] " Anatoly Burakov
@ 2018-10-22 10:32   ` Thomas Monjalon
  0 siblings, 0 replies; 3+ messages in thread
From: Thomas Monjalon @ 2018-10-22 10:32 UTC (permalink / raw)
  To: Anatoly Burakov; +Cc: stable, dev, Ravi1.Kumar

05/10/2018 10:29, Anatoly Burakov:
> Current code to preallocate segment lists is trying to do
> everything in one go, and thus ends up being convoluted,
> hard to understand, and, most importantly, does not scale beyond
> initial assumptions about number of NUMA nodes and number of
> page sizes, and therefore has issues on some configurations.
> 
> Instead of fixing these issues in the existing code, simply
> rewrite it to be slightly less clever but much more logical, and
> provide ample comments to explain exactly what is going on.
> 
> We cannot use the same approach for 32-bit code because the
> limitations of the target dictate current socket-centric
> approach rather than type-centric approach we use on 64-bit
> target, so 32-bit code is left unmodified. FreeBSD doesn't
> support NUMA so there's no complexity involved there, and thus
> its code is much more readable and not worth changing.
> 
> Fixes: 1d406458db47 ("mem: make segment preallocation OS-specific")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>

Applied, thanks

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-10-22 10:32 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-10-04 16:13 [dpdk-stable] [PATCH] eal/linuxapp: improve segment list preallocation Anatoly Burakov
2018-10-05  8:29 ` [dpdk-stable] [PATCH v2] " Anatoly Burakov
2018-10-22 10:32   ` Thomas Monjalon

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