[dpdk-dev] [PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling

2015-11-25 Thread Yuanhan Liu
On Wed, Nov 25, 2015 at 12:04:16AM +0100, Thomas Monjalon wrote: > 2015-11-24 14:44, Stephen Hemminger: > > On Tue, 24 Nov 2015 22:13:28 +0100 > > Thomas Monjalon wrote: > > > > > 2015-11-22 18:28, Stephen Hemminger: > > > > On Sun, 22 Nov 2015 14:13:35 -0500 > > > > Zhihong Wang wrote: > > > >

[dpdk-dev] [PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling

2015-11-25 Thread Wang, Zhihong
> -Original Message- > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com] > Sent: Wednesday, November 25, 2015 7:04 AM > To: Stephen Hemminger > Cc: Wang, Zhihong ; dev at dpdk.org > Subject: Re: [dpdk-dev] [PATCH 2/2] lib/librte_eal: Remove unnecessary >

[dpdk-dev] [PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling

2015-11-25 Thread Thomas Monjalon
2015-11-24 14:44, Stephen Hemminger: > On Tue, 24 Nov 2015 22:13:28 +0100 > Thomas Monjalon wrote: > > > 2015-11-22 18:28, Stephen Hemminger: > > > On Sun, 22 Nov 2015 14:13:35 -0500 > > > Zhihong Wang wrote: > > > > > > > The kernel fills new allocated (huge) pages with zeros. > > > > DPDK

[dpdk-dev] [PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling

2015-11-24 Thread Thomas Monjalon
2015-11-22 18:28, Stephen Hemminger: > On Sun, 22 Nov 2015 14:13:35 -0500 > Zhihong Wang 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 > > Nice, especially on slow

[dpdk-dev] [PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling

2015-11-24 Thread Stephen Hemminger
On Tue, 24 Nov 2015 22:13:28 +0100 Thomas Monjalon wrote: > 2015-11-22 18:28, Stephen Hemminger: > > On Sun, 22 Nov 2015 14:13:35 -0500 > > Zhihong Wang wrote: > > > > > The kernel fills new allocated (huge) pages with zeros. > > > DPDK just has to populate page tables to trigger the

[dpdk-dev] [PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling

2015-11-22 Thread Stephen Hemminger
On Sun, 22 Nov 2015 14:13:35 -0500 Zhihong Wang 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 > --- > lib/librte_eal/linuxapp/eal/eal_memory.c | 20 ++-- > 1

[dpdk-dev] [PATCH 2/2] lib/librte_eal: Remove unnecessary hugepage zero-filling

2015-11-22 Thread Zhihong Wang
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 --- lib/librte_eal/linuxapp/eal/eal_memory.c | 20 ++-- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git