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authorMinchan Kim <minchan@kernel.org>2017-05-03 14:54:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-03 15:52:10 -0700
commit83612a948d3bd2e71b110d7e8735661621bd23d9 (patch)
tree45b625eba78920d226bd0a59ad6c23a592f73851
parente4b82222712ed15813d35204c91429883d27d1d9 (diff)
mm: remove SWAP_[SUCCESS|AGAIN|FAIL]
There is no user for it. Remove it. [minchan@kernel.org: use false instead of SWAP_FAIL] Link: http://lkml.kernel.org/r/20170316053313.GA19241@bbox Link: http://lkml.kernel.org/r/1489555493-14659-11-git-send-email-minchan@kernel.org Signed-off-by: Minchan Kim <minchan@kernel.org> 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: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/rmap.h7
-rw-r--r--mm/rmap.c2
2 files changed, 1 insertions, 8 deletions
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 13ed232cbb29..43ef2c30cb0f 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -295,11 +295,4 @@ static inline int page_mkclean(struct page *page)
#endif /* CONFIG_MMU */
-/*
- * Return values of try_to_unmap
- */
-#define SWAP_SUCCESS 0
-#define SWAP_AGAIN 1
-#define SWAP_FAIL 2
-
#endif /* _LINUX_RMAP_H */
diff --git a/mm/rmap.c b/mm/rmap.c
index 47e8dafc83c8..e303fdbee561 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1419,7 +1419,7 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
*/
if (unlikely(PageSwapBacked(page) != PageSwapCache(page))) {
WARN_ON_ONCE(1);
- ret = SWAP_FAIL;
+ ret = false;
page_vma_mapped_walk_done(&pvmw);
break;
}