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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 f6fb053ac50d..dec659e84562 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1689,6 +1689,7 @@ unsigned long shmem_allowable_huge_orders(struct inode *inode,
unsigned long mask = READ_ONCE(huge_shmem_orders_always);
unsigned long within_size_orders = READ_ONCE(huge_shmem_orders_within_size);
unsigned long vm_flags = vma ? vma->vm_flags : 0;
+ pgoff_t aligned_index;
bool global_huge;
loff_t i_size;
int order;
@@ -1723,9 +1724,9 @@ unsigned long shmem_allowable_huge_orders(struct inode *inode,
/* Allow mTHP that will be fully within i_size. */
order = highest_order(within_size_orders);
while (within_size_orders) {
- index = round_up(index + 1, order);
+ aligned_index = round_up(index + 1, 1 << order);
i_size = round_up(i_size_read(inode), PAGE_SIZE);
- if (i_size >> PAGE_SHIFT >= index) {
+ if (i_size >> PAGE_SHIFT >= aligned_index) {
mask |= within_size_orders;
break;
}