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-rw-r--r--mm/mremap.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/mremap.c b/mm/mremap.c
index b535438c363c..1903bdf65e42 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -13,6 +13,7 @@
#include <linux/shm.h>
#include <linux/mman.h>
#include <linux/swap.h>
+#include <linux/capability.h>
#include <linux/fs.h>
#include <linux/highmem.h>
#include <linux/security.h>
@@ -323,7 +324,7 @@ unsigned long do_mremap(unsigned long addr,
/* We can't remap across vm area boundaries */
if (old_len > vma->vm_end - addr)
goto out;
- if (vma->vm_flags & VM_DONTEXPAND) {
+ if (vma->vm_flags & (VM_DONTEXPAND | VM_PFNMAP)) {
if (new_len > old_len)
goto out;
}