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-rw-r--r--mm/shmem.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index 7e5030ae18ff..f65f84062db5 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -764,10 +764,11 @@ done2:
static int shmem_notify_change(struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = dentry->d_inode;
+ loff_t newsize = attr->ia_size;
int error;
- if (S_ISREG(inode->i_mode) && (attr->ia_valid & ATTR_SIZE)) {
- loff_t newsize = attr->ia_size;
+ if (S_ISREG(inode->i_mode) && (attr->ia_valid & ATTR_SIZE)
+ && newsize != inode->i_size) {
struct page *page = NULL;
if (newsize < inode->i_size) {