Re: [PATCH v3] mm/memory.c: do_fault: avoid usage of stale vm_area_struct

[Matthew Wilcox]

On Sun, Mar 03, 2019 at 08:28:04AM +0100, Jan Stancek wrote:
> Cache mm_struct to avoid using potentially stale "vma".
> 
> [1] https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/mem/mtest06/mmap1.c
> 
> Signed-off-by: Jan Stancek <jstancek@xxxxxxxxxx>
> Reviewed-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>

Reviewed-by: Matthew Wilcox <willy@xxxxxxxxxxxxx>