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Date: Sat, 04 Jan 2014 11:31:47 +0800 From: Bob Liu <bob.liu@...cle.com> To: Linus Torvalds <torvalds@...ux-foundation.org> CC: Sasha Levin <sasha.levin@...cle.com>, Andrew Morton <akpm@...ux-foundation.org>, Wanpeng Li <liwanp@...ux.vnet.ibm.com>, Vlastimil Babka <vbabka@...e.cz>, Michel Lespinasse <walken@...gle.com>, Nick Piggin <npiggin@...e.de>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Rik van Riel <riel@...hat.com>, David Rientjes <rientjes@...gle.com>, Mel Gorman <mgorman@...e.de>, Minchan Kim <minchan@...nel.org>, Hugh Dickins <hughd@...gle.com>, Johannes Weiner <hannes@...xchg.org>, linux-mm <linux-mm@...ck.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] mm/mlock: fix BUG_ON unlocked page for nolinear VMAs On 01/04/2014 04:52 AM, Linus Torvalds wrote: > On Fri, Jan 3, 2014 at 12:17 PM, Sasha Levin <sasha.levin@...cle.com> wrote: >> >> Ping? This BUG() is triggerable in 3.13-rc6 right now. > > So Andrew suggested just removing the BUG_ON(), but it's been there > for a *long* time. > > And I detest the patch that was sent out that said "Should I check?" > > Maybe we should just remove that mlock_vma_page() thing instead in > try_to_unmap_cluster()? Or maybe actually lock the page around calling I didn't get the reason why we have to call mlock_vma_page() in try_to_unmap_cluster() and I agree to just remove it. > it? > > Linus > -- Regards, -Bob -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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