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Subject[PATCH] mm, hugetlb: fix "treat_as_movable" condition in htlb_alloc_mask
If hugepage_migration_supported() returns true, this renders the
hugepages_treat_as_movable sysctl completely pointless.

Let's keep this behavior optional by switching the if() condition
from || to &&.

Signed-off-by: Alexandru Moise <00moses.alexander00@gmail.com>
---
mm/hugetlb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 424b0ef08a60..ab28de0122af 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -926,7 +926,7 @@ static struct page *dequeue_huge_page_nodemask(struct hstate *h, gfp_t gfp_mask,
/* Movability of hugepages depends on migration support. */
static inline gfp_t htlb_alloc_mask(struct hstate *h)
{
- if (hugepages_treat_as_movable || hugepage_migration_supported(h))
+ if (hugepages_treat_as_movable && hugepage_migration_supported(h))
return GFP_HIGHUSER_MOVABLE;
else
return GFP_HIGHUSER;
--
2.14.2
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