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authorMel Gorman <mgorman@techsingularity.net>2016-05-19 17:14:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-19 19:12:14 -0700
commit0b423ca22f95a867f789aab1fe57ee4e378df43b (patch)
treecf0231b630d9be51604133f20d56a4e617914a33 /mm/vmstat.c
parente5b31ac2ca2cd0cf6bf2fcbb708ed01466c89aaa (diff)
downloadlinux-0b423ca22f95a867f789aab1fe57ee4e378df43b.tar.bz2
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.c2
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))