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authorMinchan Kim <minchan@kernel.org>2017-05-03 14:54:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-03 15:52:10 -0700
commit666e5a406c3ed562e7b3ceff8b631b6067bdaead (patch)
tree7c92e65829e730413ae3e8afece9269004d5324f /mm/huge_memory.c
parent33fc80e2574737e6e21eecc4c1d7942370a2c752 (diff)
mm: make ttu's return boolean
try_to_unmap() returns SWAP_SUCCESS or SWAP_FAIL so it's suitable for boolean return. This patch changes it. Link: http://lkml.kernel.org/r/1489555493-14659-8-git-send-email-minchan@kernel.org Signed-off-by: Minchan Kim <minchan@kernel.org> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> Cc: Hillf Danton <hillf.zj@alibaba-inc.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 08501a607b00..b787c4cfda0e 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2144,15 +2144,15 @@ static void freeze_page(struct page *page)
{
enum ttu_flags ttu_flags = TTU_IGNORE_MLOCK | TTU_IGNORE_ACCESS |
TTU_RMAP_LOCKED | TTU_SPLIT_HUGE_PMD;
- int ret;
+ bool unmap_success;
VM_BUG_ON_PAGE(!PageHead(page), page);
if (PageAnon(page))
ttu_flags |= TTU_MIGRATION;
- ret = try_to_unmap(page, ttu_flags);
- VM_BUG_ON_PAGE(ret, page);
+ unmap_success = try_to_unmap(page, ttu_flags);
+ VM_BUG_ON_PAGE(!unmap_success, page);
}
static void unfreeze_page(struct page *page)