diff options
| author | Mel Gorman <mgorman@techsingularity.net> | 2016-05-20 03:13:53 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-20 05:12:14 +0300 |
| commit | 09940a4f1e816abe3248fa0d185fc0e7f54c8c12 (patch) | |
| tree | 5c38f11be87449271f77b9d213f38a04d4d4999a /include | |
| parent | 5bb1b169757875a72e05bfcbb76e22602cb1a760 (diff) | |
| download | linux-09940a4f1e816abe3248fa0d185fc0e7f54c8c12.tar.xz | |
mm, page_alloc: simplify last cpupid reset
The current reset unnecessarily clears flags and makes pointless
calculations.
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/mm.h | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 9c2852cabf01..2b97be1147ec 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -850,10 +850,7 @@ extern int page_cpupid_xchg_last(struct page *page, int cpupid); static inline void page_cpupid_reset_last(struct page *page) { - int cpupid = (1 << LAST_CPUPID_SHIFT) - 1; - - page->flags &= ~(LAST_CPUPID_MASK << LAST_CPUPID_PGSHIFT); - page->flags |= (cpupid & LAST_CPUPID_MASK) << LAST_CPUPID_PGSHIFT; + page->flags |= LAST_CPUPID_MASK << LAST_CPUPID_PGSHIFT; } #endif /* LAST_CPUPID_NOT_IN_PAGE_FLAGS */ #else /* !CONFIG_NUMA_BALANCING */ |