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Groups > linux.kernel > #1386267
| From | Vlastimil Babka <vbabka@suse.cz> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 04/28] mm, page_alloc: Inline zone_statistics |
| Date | 2016-04-25 13:20 +0200 |
| Message-ID | <rrMIy-4QJ-23@gated-at.bofh.it> (permalink) |
| References | <ro7LB-hc-17@gated-at.bofh.it> <ro7Vg-Er-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 04/15/2016 10:58 AM, Mel Gorman wrote: > zone_statistics has one call-site but it's a public function. Make > it static and inline. > > The performance difference on a page allocator microbenchmark is; > > 4.6.0-rc2 4.6.0-rc2 > statbranch-v1r20 statinline-v1r20 > Min alloc-odr0-1 419.00 ( 0.00%) 412.00 ( 1.67%) > Min alloc-odr0-2 305.00 ( 0.00%) 301.00 ( 1.31%) > Min alloc-odr0-4 250.00 ( 0.00%) 247.00 ( 1.20%) > Min alloc-odr0-8 219.00 ( 0.00%) 215.00 ( 1.83%) > Min alloc-odr0-16 203.00 ( 0.00%) 199.00 ( 1.97%) > Min alloc-odr0-32 195.00 ( 0.00%) 191.00 ( 2.05%) > Min alloc-odr0-64 191.00 ( 0.00%) 187.00 ( 2.09%) > Min alloc-odr0-128 189.00 ( 0.00%) 185.00 ( 2.12%) > Min alloc-odr0-256 198.00 ( 0.00%) 193.00 ( 2.53%) > Min alloc-odr0-512 210.00 ( 0.00%) 207.00 ( 1.43%) > Min alloc-odr0-1024 216.00 ( 0.00%) 213.00 ( 1.39%) > Min alloc-odr0-2048 221.00 ( 0.00%) 220.00 ( 0.45%) > Min alloc-odr0-4096 227.00 ( 0.00%) 226.00 ( 0.44%) > Min alloc-odr0-8192 232.00 ( 0.00%) 229.00 ( 1.29%) > Min alloc-odr0-16384 232.00 ( 0.00%) 229.00 ( 1.29%) > > Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: Vlastimil Babka <vbabka@suse.cz>
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Re: [PATCH 04/28] mm, page_alloc: Inline zone_statistics Vlastimil Babka <vbabka@suse.cz> - 2016-04-25 13:20 +0200
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