From: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Date: Tue, 7 Apr 2015 23:44:24 +0000 (+1000)
Subject: page-flags: define PG_reserved behavior on compound pages
X-Git-Tag: KARO-TXA5-2015-06-26~18^2~322
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4b32c0330382334f265ef48268c04e55ea6f5aa5;p=karo-tx-linux.git

page-flags: define PG_reserved behavior on compound pages

As far as I can see there's no users of PG_reserved on compound pages.
Let's use NO_COMPOUND here.

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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 19373c98d08a..be691551896b 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -288,7 +288,8 @@ PAGEFLAG(Pinned, pinned, NO_COMPOUND) TESTSCFLAG(Pinned, pinned, NO_COMPOUND)
 PAGEFLAG(SavePinned, savepinned, NO_COMPOUND)
 PAGEFLAG(Foreign, foreign, NO_COMPOUND)
 
-PAGEFLAG(Reserved, reserved, ANY) __CLEARPAGEFLAG(Reserved, reserved, ANY)
+PAGEFLAG(Reserved, reserved, NO_COMPOUND)
+	__CLEARPAGEFLAG(Reserved, reserved, NO_COMPOUND)
 PAGEFLAG(SwapBacked, swapbacked, ANY)
 	__CLEARPAGEFLAG(SwapBacked, swapbacked, ANY)
 	__SETPAGEFLAG(SwapBacked, swapbacked, ANY)