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-rw-r--r--mm/shmem.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index 2c255f383608..97448a46a4dc 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1812,17 +1812,20 @@ repeat:
if (shmem_huge == SHMEM_HUGE_FORCE)
goto alloc_huge;
switch (sbinfo->huge) {
- loff_t i_size;
- pgoff_t off;
case SHMEM_HUGE_NEVER:
goto alloc_nohuge;
- case SHMEM_HUGE_WITHIN_SIZE:
+ case SHMEM_HUGE_WITHIN_SIZE: {
+ loff_t i_size;
+ pgoff_t off;
+
off = round_up(index, HPAGE_PMD_NR);
i_size = round_up(i_size_read(inode), PAGE_SIZE);
if (i_size >= HPAGE_PMD_SIZE &&
i_size >> PAGE_SHIFT >= off)
goto alloc_huge;
- /* fallthrough */
+
+ fallthrough;
+ }
case SHMEM_HUGE_ADVISE:
if (sgp_huge == SGP_HUGE)
goto alloc_huge;