Re: [PATCH] slub: fix a memory leak in get_partial_node()
From: Christoph Lameter <hidden>
Date: 2012-05-15 20:36:57
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linux-mm, lkml
On Wed, 16 May 2012, Joonsoo Kim wrote:
In the case which is below, 1. acquire slab for cpu partial list 2. free object to it by remote cpu 3. page->freelist = t then memory leak is occurred.
Hmmm... Ok so we cannot assign page->freelist in get_partial_node() for the cpu partial slabs. It must be done in the cmpxchg transition. Acked-by: Christoph Lameter <redacted>