From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Stephen Hemminger <stephen@networkplumber.org>,
Zhihong Wang <zhihong.wang@intel.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling
Date: Tue, 24 Nov 2015 22:13:28 +0100 [thread overview]
Message-ID: <1640963.TLMeDD9tfp@xps13> (raw)
In-Reply-To: <20151122182800.397e0701@xeon-e3>
2015-11-22 18:28, Stephen Hemminger:
> On Sun, 22 Nov 2015 14:13:35 -0500
> Zhihong Wang <zhihong.wang@intel.com> wrote:
>
> > The kernel fills new allocated (huge) pages with zeros.
> > DPDK just has to populate page tables to trigger the allocation.
> >
> > Signed-off-by: Zhihong Wang <zhihong.wang@intel.com>
>
> Nice, especially on slow machines or with large memory.
>
> Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Yes very nice.
I think it's too late to integrate this change which can have some
unpredictable side effects.
Do you agree to wait for 2.3?
next prev parent reply other threads:[~2015-11-24 21:14 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-22 19:13 [PATCH 0/2] Reduce DPDK initialization time Zhihong Wang
2015-11-22 19:13 ` [PATCH 1/2] lib/librte_eal: Reduce timer " Zhihong Wang
2015-11-22 19:13 ` [PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling Zhihong Wang
2015-11-23 2:28 ` Stephen Hemminger
2015-11-24 21:13 ` Thomas Monjalon [this message]
2015-11-24 22:44 ` Stephen Hemminger
2015-11-24 23:04 ` Thomas Monjalon
2015-11-25 1:57 ` Yuanhan Liu
2015-11-25 1:59 ` Wang, Zhihong
2016-01-21 14:59 ` [PATCH 0/2] Reduce DPDK initialization time Thomas Monjalon
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