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Diffstat (limited to 'mm/shmem.c')
-rw-r--r--mm/shmem.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index d09c6bf1f28a..426b09d8cc55 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -548,8 +548,9 @@ static bool shmem_confirm_swap(struct address_space *mapping,
static int shmem_huge __read_mostly = SHMEM_HUGE_NEVER;
-bool shmem_is_huge(struct inode *inode, pgoff_t index, bool shmem_huge_force,
- struct mm_struct *mm, unsigned long vm_flags)
+static bool __shmem_is_huge(struct inode *inode, pgoff_t index,
+ bool shmem_huge_force, struct mm_struct *mm,
+ unsigned long vm_flags)
{
loff_t i_size;
@@ -580,6 +581,16 @@ bool shmem_is_huge(struct inode *inode, pgoff_t index, bool shmem_huge_force,
}
}
+bool shmem_is_huge(struct inode *inode, pgoff_t index,
+ bool shmem_huge_force, struct mm_struct *mm,
+ unsigned long vm_flags)
+{
+ if (HPAGE_PMD_ORDER > MAX_PAGECACHE_ORDER)
+ return false;
+
+ return __shmem_is_huge(inode, index, shmem_huge_force, mm, vm_flags);
+}
+
#if defined(CONFIG_SYSFS)
static int shmem_parse_huge(const char *str)
{