From 3ee00d64888808bf107d34607115f57e74879f29 Mon Sep 17 00:00:00 2001
From: Andrew Morton <akpm@linux-foundation.org>
Date: Thu, 29 Nov 2012 14:18:08 +1100
Subject: [PATCH] mm: add a reminder comment for __GFP_BITS_SHIFT

Cc: Glauber Costa <glommer@parallels.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 include/linux/gfp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index b8f2e5f6abdf..c0fb4d81ebb6 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -34,6 +34,7 @@ struct vm_area_struct;
 #define ___GFP_OTHER_NODE	0x200000u
 #define ___GFP_WRITE		0x400000u
 #define ___GFP_KMEMCG		0x800000u
+/* If the above are modified, __GFP_BITS_SHIFT may need updating */
 
 /*
  * GFP bitmasks..
-- 
2.39.5