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
Date: Sun, 3 Mar 2019 02:36:19 -0800 [thread overview]
Message-ID: <20190303103619.GQ11592@bombadil.infradead.org> (raw)
In-Reply-To: <5b3fdf19e2a5be460a384b936f5b56e13733f1b8.1551595137.git.jstancek@redhat.com>
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>
next prev parent reply other threads:[~2019-03-03 10:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-02 15:11 [PATCH] mm/memory.c: do_fault: avoid usage of stale vm_area_struct Jan Stancek
2019-03-02 17:10 ` Matthew Wilcox
2019-03-02 18:00 ` Jan Stancek
2019-03-02 18:19 ` [PATCH v2] " Jan Stancek
2019-03-02 18:45 ` Peter Zijlstra
2019-03-02 18:51 ` Andrea Arcangeli
2019-03-03 7:27 ` Jan Stancek
2019-03-03 7:28 ` [PATCH v3] " Jan Stancek
2019-03-03 10:36 ` Matthew Wilcox [this message]
2019-03-04 0:13 ` Rafael Aquini
2019-03-04 8:10 ` Minchan Kim
2019-03-04 8:19 ` Kirill A. Shutemov
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