From: Christopher Lameter <cl@linux.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: linux-mm@kvack.org, Matthew Wilcox <mawilcox@microsoft.com>,
Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, Jan Kara <jack@suse.cz>,
Jeff Layton <jlayton@redhat.com>,
Mel Gorman <mgorman@techsingularity.net>
Subject: Re: [PATCH v3 2/2] slab: __GFP_ZERO is incompatible with a constructor
Date: Mon, 16 Apr 2018 10:10:20 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.20.1804161009590.8424@nuc-kabylake> (raw)
In-Reply-To: <20180412191322.GA21205@bombadil.infradead.org>
On Thu, 12 Apr 2018, Matthew Wilcox wrote:
> __GFP_ZERO requests that the object be initialised to all-zeroes,
> while the purpose of a constructor is to initialise an object to a
> particular pattern. We cannot do both. Add a warning to catch any
> users who mistakenly pass a __GFP_ZERO flag when allocating a slab with
> a constructor.
Acked-by: Christoph Lameter <cl@linux.com>
next prev parent reply other threads:[~2018-04-16 15:10 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-11 6:03 [PATCH v2 0/2] Fix __GFP_ZERO vs constructor Matthew Wilcox
2018-04-11 6:03 ` [PATCH v2 1/2] Fix NULL pointer in page_cache_tree_insert Matthew Wilcox
2018-04-11 6:03 ` [PATCH v2 2/2] slab: __GFP_ZERO is incompatible with a constructor Matthew Wilcox
2018-04-11 6:35 ` Michal Hocko
2018-04-11 13:44 ` Christopher Lameter
2018-04-11 19:24 ` Matthew Wilcox
2018-04-11 21:11 ` Christopher Lameter
2018-04-11 23:56 ` Matthew Wilcox
2018-04-12 14:10 ` Christopher Lameter
2018-04-12 14:27 ` Matthew Wilcox
2018-04-12 15:15 ` Christopher Lameter
2018-04-12 19:13 ` [PATCH v3 " Matthew Wilcox
2018-04-16 15:10 ` Christopher Lameter [this message]
2018-08-03 21:22 ` Guenter Roeck
2018-08-03 22:33 ` Matthew Wilcox
2018-08-04 9:28 ` Geert Uytterhoeven
2018-08-04 14:00 ` Guenter Roeck
2018-04-12 0:54 ` [PATCH v2 0/2] Fix __GFP_ZERO vs constructor Minchan Kim
2018-04-12 19:24 ` Matthew Wilcox
2018-04-13 12:44 ` Michal Hocko
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