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-rw-r--r--mm/mremap.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/mremap.c b/mm/mremap.c
index 0843feb66f3d..91b13d6a16d4 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -25,6 +25,7 @@
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
+#include <asm/pgalloc.h>
#include "internal.h"
@@ -62,8 +63,10 @@ static pmd_t *alloc_new_pmd(struct mm_struct *mm, struct vm_area_struct *vma,
return NULL;
pmd = pmd_alloc(mm, pud, addr);
- if (!pmd)
+ if (!pmd) {
+ pud_free(mm, pud);
return NULL;
+ }
VM_BUG_ON(pmd_trans_huge(*pmd));