From fd95ef56b1acf96a24ff3d3f7bf19c2350ad0786 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Thu, 11 Feb 2016 14:25:38 +0100 Subject: [PATCH] btrfs: extent same: use GFP_KERNEL for page array allocations We can safely use GFP_KERNEL in the functions called from the ioctl handlers. Here we can allocate up to 32k so less pressure to the allocator could help. Signed-off-by: David Sterba --- fs/btrfs/ioctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 952172ca7e45..55440a742594 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2925,8 +2925,8 @@ static int btrfs_cmp_data_prepare(struct inode *src, u64 loff, * of the array is bounded by len, which is in turn bounded by * BTRFS_MAX_DEDUPE_LEN. */ - src_pgarr = kzalloc(num_pages * sizeof(struct page *), GFP_NOFS); - dst_pgarr = kzalloc(num_pages * sizeof(struct page *), GFP_NOFS); + src_pgarr = kzalloc(num_pages * sizeof(struct page *), GFP_KERNEL); + dst_pgarr = kzalloc(num_pages * sizeof(struct page *), GFP_KERNEL); if (!src_pgarr || !dst_pgarr) { kfree(src_pgarr); kfree(dst_pgarr); -- GitLab