Hello, 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 <[email protected]> --- diff -urp 1/fs/btrfs/inode.c 2/fs/btrfs/inode.c --- 1/fs/btrfs/inode.c 2009-02-05 07:27:07.333888537 +0800 +++ 2/fs/btrfs/inode.c 2009-02-09 21:11:01.000000000 +0800 @@ -4263,7 +4263,7 @@ static int btrfs_releasepage(struct page { 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) -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
