diff options
| 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 /include | |
| parent | e5b31ac2ca2cd0cf6bf2fcbb708ed01466c89aaa (diff) | |
| download | linux-0b423ca22f95a867f789aab1fe57ee4e378df43b.tar.gz | |
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 'include')
| -rw-r--r-- | include/linux/mmzone.h | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 4b28d2f8125e..c60db2096fd8 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -85,13 +85,6 @@ extern int page_group_by_mobility_disabled; get_pfnblock_flags_mask(page, page_to_pfn(page), \ PB_migrate_end, MIGRATETYPE_MASK) -static inline int get_pfnblock_migratetype(struct page *page, unsigned long pfn) -{ - BUILD_BUG_ON(PB_migrate_end - PB_migrate != 2); - return get_pfnblock_flags_mask(page, pfn, PB_migrate_end, - MIGRATETYPE_MASK); -} - struct free_area { struct list_head free_list[MIGRATE_TYPES]; unsigned long nr_free; |