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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-17 11:54:25 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-17 11:54:25 -0700
commit0e496b8e84410c96d1ffc86f0b37b0328a4234da (patch)
treed8a2aeeaee03eb4f305ba4dc5ab9395c4ee31321 /mm/page_alloc.c
parent214da6728acac285cac0e8e9b6c4c13838b8e1b0 (diff)
parent7d132055814ef17a6c7b69f342244c410a5e000f (diff)
Merge 3.10-rc6 into char-misc-next
We want the fixes in here.
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 378a15bcd649..c3edb624fccf 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1628,6 +1628,7 @@ static bool __zone_watermark_ok(struct zone *z, int order, unsigned long mark,
long min = mark;
long lowmem_reserve = z->lowmem_reserve[classzone_idx];
int o;
+ long free_cma = 0;
free_pages -= (1 << order) - 1;
if (alloc_flags & ALLOC_HIGH)
@@ -1637,9 +1638,10 @@ static bool __zone_watermark_ok(struct zone *z, int order, unsigned long mark,
#ifdef CONFIG_CMA
/* If allocation can't use CMA areas don't use free CMA pages */
if (!(alloc_flags & ALLOC_CMA))
- free_pages -= zone_page_state(z, NR_FREE_CMA_PAGES);
+ free_cma = zone_page_state(z, NR_FREE_CMA_PAGES);
#endif
- if (free_pages <= min + lowmem_reserve)
+
+ if (free_pages - free_cma <= min + lowmem_reserve)
return false;
for (o = 0; o < order; o++) {
/* At the next order, this order's pages become unavailable */