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mm: rename allocflags_to_migratetype for clarity

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The page allocator has gfp flags (like __GFP_WAIT) and alloc flags (like
ALLOC_CPUSET) that have separate semantics.

The function allocflags_to_migratetype() actually takes gfp flags, not
alloc flags, and returns a migratetype.  Rename it to
gfpflags_to_migratetype().

Signed-off-by: David Rientjes <[email protected]>
Signed-off-by: Vlastimil Babka <[email protected]>
Reviewed-by: Zhang Yanfei <[email protected]>
Reviewed-by: Naoya Horiguchi <[email protected]>
Acked-by: Minchan Kim <[email protected]>
Acked-by: Mel Gorman <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: Michal Nazarewicz <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Rik van Riel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
David Rientjes 2014-10-09 15:27:25 -07:00 • committed by Linus Torvalds
commit 43e7a34d26
3 changed files with 5 additions and 5 deletions
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4
mm/compaction.c
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@ -1242,7 +1242,7 @@ static unsigned long compact_zone_order(struct zone *zone, int order,
.nr_freepages = 0,
.nr_migratepages = 0,
.order = order,
.migratetype = allocflags_to_migratetype(gfp_mask),
.migratetype = gfpflags_to_migratetype(gfp_mask),
.zone = zone,
.mode = mode,
};
@ -1294,7 +1294,7 @@ unsigned long try_to_compact_pages(struct zonelist *zonelist,
return COMPACT_SKIPPED;
#ifdef CONFIG_CMA
if (allocflags_to_migratetype(gfp_mask) == MIGRATE_MOVABLE)
if (gfpflags_to_migratetype(gfp_mask) == MIGRATE_MOVABLE)
alloc_flags |= ALLOC_CMA;
#endif
/* Compact each zone in the list */