From: Yan Zheng <zheng.yan@oracle.com>
Date: Thu, 12 Feb 2009 15:06:04 +0000 (-0500)
Subject: Btrfs: Avoid using __GFP_HIGHMEM with slab allocator
X-Git-Tag: v2.6.29-rc6~79^2~6
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b335b0034e25;p=karo-tx-linux.git

Btrfs: Avoid using __GFP_HIGHMEM with slab allocator

btrfs_releasepage may call kmem_cache_alloc indirectly,
and provide same GFP flags it gets to kmem_cache_alloc.
So it's possible to use __GFP_HIGHMEM with the slab
allocator.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
---

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8f0706210a47..638bcb5e49f6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4263,7 +4263,7 @@ static int btrfs_releasepage(struct page *page, gfp_t gfp_flags)
 {
 	if (PageWriteback(page) || PageDirty(page))
 		return 0;
-	return __btrfs_releasepage(page, gfp_flags);
+	return __btrfs_releasepage(page, gfp_flags & GFP_NOFS);
 }
 
 static void btrfs_invalidatepage(struct page *page, unsigned long offset)