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mm, page_alloc: convert alloc_flags to unsigned

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alloc_flags is a bitmask of flags but it is signed which does not
necessarily generate the best code depending on the compiler.  Even
without an impact, it makes more sense that this be unsigned.

Signed-off-by: Mel Gorman <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Cc: Jesper Dangaard Brouer <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Mel Gorman 2016-05-19 17:13:38 -07:00 • committed by Linus Torvalds
commit c603844bdc
5 changed files with 27 additions and 22 deletions
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mm/internal.h
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@ -175,7 +175,7 @@ struct compact_control {
bool direct_compaction; /* False from kcompactd or /proc/... */
int order; /* order a direct compactor needs */
const gfp_t gfp_mask; /* gfp mask of a direct compactor */
const int alloc_flags; /* alloc flags of a direct compactor */
const unsigned int alloc_flags; /* alloc flags of a direct compactor */
const int classzone_idx; /* zone index of a direct compactor */
struct zone *zone;
int contended; /* Signal need_sched() or lock