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| author |   Mel Gorman <mgorman@techsingularity.net> | 2016-05-19 17:14:27 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-19 19:12:14 -0700 |
| commit | 0b423ca22f95a867f789aab1fe57ee4e378df43b (patch) | |
| tree | cf0231b630d9be51604133f20d56a4e617914a33 /mm/vmstat.c | |
| parent | mm, page_alloc: remove unnecessary variable from free_pcppages_bulk (diff) | |
| download | linux-dev-0b423ca22f95a867f789aab1fe57ee4e378df43b.tar.xz linux-dev-0b423ca22f95a867f789aab1fe57ee4e378df43b.zip | |
mm, page_alloc: inline pageblock lookup in page free fast paths
The function call overhead of get_pfnblock_flags_mask() is measurable in
the page free paths. This patch uses an inlined version that is faster.
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmstat.c')
| -rw-r--r-- | mm/vmstat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index f1a73bfb77b5..5b72a8ad2813 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1041,7 +1041,7 @@ static void pagetypeinfo_showmixedcount_print(struct seq_file *m, block_end_pfn = min(block_end_pfn, end_pfn); page = pfn_to_page(pfn); - pageblock_mt = get_pfnblock_migratetype(page, pfn); + pageblock_mt = get_pageblock_migratetype(page); for (; pfn < block_end_pfn; pfn++) { if (!pfn_valid_within(pfn)) |