From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Damien Millescamps <damien.millescamps@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 2/2] mem: fix mempool for --no-huge
Date: Fri, 26 Jul 2013 17:10:51 +0200 [thread overview]
Message-ID: <201307261710.51789.thomas.monjalon@6wind.com> (raw)
In-Reply-To: <20130726145932.GO7849@6wind.com>
26/07/2013 16:59, Adrien Mazarguil :
> On Fri, Jul 26, 2013 at 04:39:13PM +0200, Damien Millescamps wrote:
> > In --no-huge mode, mempool provides objects with their associated
> > header/trailer fitting in a standard page (usually 4KB).
> > This means all non-UIO driver should work correctly in this mode,
> > since UIO drivers allocate ring sizes that cannot fit in a page.
> >
> > Extend rte_mempool_virt2phy to obtain the correct physical address when
> > elements of the pool are not on the same physically contiguous memory
> > region. This is a first step for enhancement PR #29696.
> >
> > Reason for this patch is to be able to run on a kernel < 2.6.37 without
> > the need to patch it, since all kernel below are either bugged or don't
> > have huge page support at all (< 2.6.28).
> >
> > Signed-off-by: Damien Millescamps <damien.millescamps@6wind.com>
> > ---
> >
> > lib/librte_eal/linuxapp/eal/eal_memory.c | 2 +-
> > lib/librte_mempool/rte_mempool.c | 54
> > +++++++++++++++++++++++++++++- lib/librte_mempool/rte_mempool.h
> > | 20 +++++++----
> > 3 files changed, 67 insertions(+), 9 deletions(-)
>
> Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
applied
--
Thomas
prev parent reply other threads:[~2013-07-26 15:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 14:39 [dpdk-dev] [PATCH 0/2] fix mempool when --no-huge option is set Damien Millescamps
2013-07-26 14:39 ` [dpdk-dev] [PATCH 1/2] mem: get hugepages config Damien Millescamps
2013-07-26 14:59 ` Adrien Mazarguil
2013-07-26 15:10 ` Thomas Monjalon
2013-07-26 14:39 ` [dpdk-dev] [PATCH 2/2] mem: fix mempool for --no-huge Damien Millescamps
2013-07-26 14:59 ` Adrien Mazarguil
2013-07-26 15:10 ` Thomas Monjalon [this message]
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