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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2016-01-16 03:51:49 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-16 04:56:32 +0300
commit50ea78d676d4282a403f956229505b9fddf69f3a (patch)
tree2f4d4e23bca8c8a7608c79a414857604d3bf51ba /include
parentda5efc408baefd686b0ee2cbd1353eb10ec71a0f (diff)
downloadlinux-50ea78d676d4282a403f956229505b9fddf69f3a.tar.xz
page-flags: define PG_swapcache behavior on compound pages
Swap cannot handle compound pages so far. Transparent huge pages are split on the way to swap. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Christoph Lameter <cl@linux.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Steve Capper <steve.capper@linaro.org> Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Jerome Marchand <jmarchan@redhat.com> Cc: Jérôme Glisse <jglisse@redhat.com> 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.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index eda487ecc01c..7fc2ea83cbd5 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -318,7 +318,7 @@ PAGEFLAG_FALSE(HighMem)
#endif
#ifdef CONFIG_SWAP
-PAGEFLAG(SwapCache, swapcache, PF_ANY)
+PAGEFLAG(SwapCache, swapcache, PF_NO_COMPOUND)
#else
PAGEFLAG_FALSE(SwapCache)
#endif