From: Christoph Lameter <cl@linux.com>
To: Glauber Costa <glommer@parallels.com>
Cc: linux-mm@kvack.org, Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: Any reason to use put_page in slub.c?
Date: Fri, 27 Jul 2012 10:55:37 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1207271054230.18371@router.home> (raw)
In-Reply-To: <1343391586-18837-1-git-send-email-glommer@parallels.com>
On Fri, 27 Jul 2012, Glauber Costa wrote:
> But I am still wondering if there is anything I am overlooking.
put_page() is necessary because other subsystems may still be holding a
refcount on the page (if f.e. there is DMA still pending to that page).
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next prev parent reply other threads:[~2012-07-27 15:55 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-27 12:19 Glauber Costa
2012-07-27 15:55 ` Christoph Lameter [this message]
2012-07-30 7:53 ` Glauber Costa
2012-07-30 19:23 ` Christoph Lameter
2012-07-31 8:25 ` Glauber Costa
2012-07-31 14:09 ` Christoph Lameter
2012-07-31 14:09 ` Glauber Costa
2012-07-31 14:17 ` Christoph Lameter
2012-07-31 14:18 ` Glauber Costa
2012-07-31 14:31 ` Christoph Lameter
2012-07-31 14:52 ` James Bottomley
2012-08-01 12:42 ` Glauber Costa
2012-08-01 18:10 ` Christoph Lameter
2012-08-02 7:55 ` Glauber Costa
2012-08-02 8:07 ` James Bottomley
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