From: Christoph Lameter <cl@linux.com>
To: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Alexander Duyck <alexander.duyck@gmail.com>,
Hannes Frederic Sowa <hannes@stressinduktion.org>
Subject: Re: [PATCH 1/3] slub: extend slowpath __slab_free() to handle bulk free
Date: Wed, 15 Jul 2015 11:54:58 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.11.1507151153110.8615@east.gentwo.org> (raw)
In-Reply-To: <20150715160119.17525.53567.stgit@devil>
On Wed, 15 Jul 2015, Jesper Dangaard Brouer wrote:
> This allows a list of object to be free'ed using a single locked
> cmpxchg_double.
Well not really. The objects that are to be freed on the list have
additional requirements. They must all be objects from the *same* slab
page. This needs to be pointed out everywhere otherwise people will try to free
random objects via this function and we will have weird failure cases.
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next prev parent reply other threads:[~2015-07-15 16:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-15 16:01 [PATCH 0/3] slub: introducing detached freelist Jesper Dangaard Brouer
2015-07-15 16:01 ` [PATCH 1/3] slub: extend slowpath __slab_free() to handle bulk free Jesper Dangaard Brouer
2015-07-15 16:54 ` Christoph Lameter [this message]
2015-07-15 16:02 ` [PATCH 2/3] slub: optimize bulk slowpath free by detached freelist Jesper Dangaard Brouer
2015-07-15 16:56 ` Christoph Lameter
2015-07-15 16:02 ` [PATCH 3/3] slub: build detached freelist with look-ahead Jesper Dangaard Brouer
2015-07-16 9:57 ` Jesper Dangaard Brouer
2015-07-20 2:54 ` Joonsoo Kim
2015-07-20 21:28 ` Jesper Dangaard Brouer
2015-07-21 13:50 ` Christoph Lameter
2015-07-21 23:28 ` Jesper Dangaard Brouer
2015-07-23 6:34 ` Joonsoo Kim
2015-07-23 11:09 ` Jesper Dangaard Brouer
2015-07-23 14:14 ` Christoph Lameter
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