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From: Thomas Monjalon <thomas@monjalon.net>
To: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: dev@dpdk.org, john.mcnamara@intel.com, zhihong.wang@intel.com,
	qian.q.xu@intel.com, yu.y.liu@intel.com, lei.a.yao@intel.com,
	maxime.coquelin@redhat.com
Subject: Re: [dpdk-dev] [PATCH] Revert "mem: allocate in reverse to reduce fragmentation"
Date: Thu, 26 Jul 2018 11:18:13 +0200	[thread overview]
Message-ID: <23947652.nx9p32IzIJ@xps> (raw)
In-Reply-To: <0957f38f12ba6df24f0b48f24fe8236a6ce50efc.1532434698.git.anatoly.burakov@intel.com>

24/07/2018 14:21, Anatoly Burakov:
> This reverts commit 179f916e88e4a0fdd5ad4d20e226771d3d271c41.
> 
> A few regressions with virtio/vhost have been discovered, due to the
> strong dependency of virtio/vhost on the underlying memory layout.
> Specifically, virtio/vhost share all memory pages starting from the
> beginning of the segment, while the patch above made it so that the
> memory is always allocated from the top of VA space, not from the
> bottom.
> 
> Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>

Applied with this fun title:
	mem: revert reversed allocation

  reply	other threads:[~2018-07-26  9:18 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-24 12:21 Anatoly Burakov
2018-07-26  9:18 ` Thomas Monjalon [this message]
2018-07-26  9:30   ` Burakov, Anatoly

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