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authorHugh Dickins <hugh@veritas.com>2009-01-06 14:39:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 15:59:02 -0800
commit6d91add09f4bad5f4d4233b13faa392f0c4b16be (patch)
tree26f77047b316dfc0879307fbfda84b15a199155f /include
parent3c1d43787b48c798f44dc32a6e6deb5ca2da3e68 (diff)
mm: add Set,ClearPageSwapCache stubs
If we add NOOP stubs for SetPageSwapCache() and ClearPageSwapCache(), then we can remove the #ifdef CONFIG_SWAPs from mm/migrate.c. Signed-off-by: Hugh Dickins <hugh@veritas.com> Acked-by: Christoph Lameter <cl@linux-foundation.org> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/page-flags.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index b12f93a3c34..628ec080249 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -228,6 +228,7 @@ PAGEFLAG_FALSE(HighMem)
PAGEFLAG(SwapCache, swapcache)
#else
PAGEFLAG_FALSE(SwapCache)
+ SETPAGEFLAG_NOOP(SwapCache) CLEARPAGEFLAG_NOOP(SwapCache)
#endif
#ifdef CONFIG_UNEVICTABLE_LRU