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Commit 835ee797 authored by Al Viro's avatar Al Viro Committed by Linus Torvalds
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VM_GROWS{UP,DOWN} shouldn't be set on shmem VMAs 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 6414fa6a

mm/mmap.c

+2 −0
Original line number Diff line number Diff line
@@ -1293,6 +1293,8 @@ unsigned long mmap_region(struct file *file, unsigned long addr, 
		pgoff = vma->vm_pgoff;

		vm_flags = vma->vm_flags;

	} else if (vm_flags & VM_SHARED) {

		if (unlikely(vm_flags & (VM_GROWSDOWN|VM_GROWSUP)))

			goto free_vma;

		error = shmem_zero_setup(vma);

		if (error)

			goto free_vma;