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author | Joel Stanley <joel@jms.id.au> | 2016-08-04 13:24:41 +0930 |
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committer | Joel Stanley <joel@jms.id.au> | 2016-08-04 13:24:41 +0930 |
commit | b916113d820adc856aad6b8ebc1a25403ff7f293 (patch) | |
tree | abddf239d912c4868faf9fbc69c67d980f74c7df /mm/shmem.c | |
parent | 2e4db6c6be91ade074c1a150a6db2aeb4920e25c (diff) | |
parent | b05965f284db3e086022f4e318e46cb5bffb1376 (diff) | |
download | talos-obmc-linux-openbmc-4.4-20160804-1.tar.gz talos-obmc-linux-openbmc-4.4-20160804-1.zip |
Merge tag 'v4.4.16' into dev-4.4openbmc-4.4-20160804-1
This is the 4.4.16 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'mm/shmem.c')
-rw-r--r-- | mm/shmem.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index ea5a70cfc1d8..1b11ccc0a3b7 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2153,9 +2153,11 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset, NULL); if (error) { /* Remove the !PageUptodate pages we added */ - shmem_undo_range(inode, - (loff_t)start << PAGE_CACHE_SHIFT, - (loff_t)index << PAGE_CACHE_SHIFT, true); + if (index > start) { + shmem_undo_range(inode, + (loff_t)start << PAGE_CACHE_SHIFT, + ((loff_t)index << PAGE_CACHE_SHIFT) - 1, true); + } goto undone; } |