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authorKirill A. Shutemov <[email protected]>2016-01-15 16:51:56 -0800
committerLinus Torvalds <[email protected]>2016-01-15 17:56:32 -0800
commitb9d418170aefb020ebd4c60040d69c4399851aa3 (patch)
tree871ef13e5a237748206f819ea64542e201eba1ce
parente4f87d5d752d259b274681420b010c65006301a6 (diff)
page-flags: define PG_uncached behavior on compound pages
So far, only IA64 uses PG_uncached and only on non-compound pages. Signed-off-by: Kirill A. Shutemov <[email protected]> Cc: Andrea Arcangeli <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Mel Gorman <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Vlastimil Babka <[email protected]> Cc: Christoph Lameter <[email protected]> Cc: Naoya Horiguchi <[email protected]> Cc: Steve Capper <[email protected]> Cc: "Aneesh Kumar K.V" <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Jerome Marchand <[email protected]> Cc: Jérôme Glisse <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
-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 43b7acb092ff..dff90852fbc6 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -338,7 +338,7 @@ PAGEFLAG_FALSE(Mlocked) __CLEARPAGEFLAG_NOOP(Mlocked)
#endif
#ifdef CONFIG_ARCH_USES_PG_UNCACHED
-PAGEFLAG(Uncached, uncached, PF_ANY)
+PAGEFLAG(Uncached, uncached, PF_NO_COMPOUND)
#else
PAGEFLAG_FALSE(Uncached)
#endif