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Date:   Sun, 3 Mar 2019 02:36:19 -0800
From:   Matthew Wilcox <willy@infradead.org>
To:     Jan Stancek <jstancek@redhat.com>
Cc:     linux-mm@kvack.org, akpm@linux-foundation.org,
        peterz@infradead.org, riel@surriel.com, mhocko@suse.com,
        ying.huang@intel.com, jrdr.linux@gmail.com, jglisse@redhat.com,
        aneesh.kumar@linux.ibm.com, david@redhat.com, aarcange@redhat.com,
        raquini@redhat.com, rientjes@google.com, kirill@shutemov.name,
        mgorman@techsingularity.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] mm/memory.c: do_fault: avoid usage of stale
 vm_area_struct
Message-ID: <20190303103619.GQ11592@bombadil.infradead.org>
References: <20190302185144.GD31083@redhat.com>
 <5b3fdf19e2a5be460a384b936f5b56e13733f1b8.1551595137.git.jstancek@redhat.com>
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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@redhat.com>
> Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>

Reviewed-by: Matthew Wilcox <willy@infradead.org>