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Date: Thu, 6 Aug 2015 16:27:31 +0200 (CEST) From: Julia Lawall <julia.lawall@...6.fr> To: Sergey Senozhatsky <sergey.senozhatsky@...il.com> cc: Julia Lawall <julia.lawall@...6.fr>, Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>, David Rientjes <rientjes@...gle.com>, Andrew Morton <akpm@...ux-foundation.org>, Minchan Kim <minchan@...nel.org>, Christoph Lameter <cl@...ux.com>, Pekka Enberg <penberg@...nel.org>, Joonsoo Kim <iamjoonsoo.kim@....com>, Michal Hocko <mhocko@...e.cz>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [RFC][PATCH 1/5] mm/slab_common: allow NULL cache pointer in kmem_cache_destroy() On Thu, 6 Aug 2015, Sergey Senozhatsky wrote: > On (06/19/15 08:50), Julia Lawall wrote: > > On Thu, 18 Jun 2015, Sergey Senozhatsky wrote: > > > > > On (06/17/15 16:14), David Rientjes wrote: > > > [..] > > > > > > > > > > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com> > > > > > Reported-by: Andrew Morton <akpm@...ux-foundation.org> > > > > > LKML-reference: https://lkml.org/lkml/2015/6/8/583 > > > > > > > > Acked-by: David Rientjes <rientjes@...gle.com> > > > > > > > > kmem_cache_destroy() isn't a fastpath, this is long overdue. Now where's > > > > the patch to remove the NULL checks from the callers? ;) > > > > > > > > > > Thanks. > > > > > > Yes, Julia Lawall (Cc'd) already has a patch set ready for submission. > > > > I'll refresh it and send it shortly. > > > > I'll re-up this thread. > > Julia, do you want to wait until these 3 patches will be merged to > Linus's tree (just to be on a safe side, so someone's tree (out of sync > with linux-next) will not go crazy)? I think it would be safer. Code may crash if the test is removed before the function can tolerate it. julia -- 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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