From: David Rientjes <rientjes@google.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: [patch] mm, mempolicy: remove duplicate code
Date: Wed, 7 Nov 2012 00:17:06 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.2.00.1211070016080.21854@chino.kir.corp.google.com> (raw)
Remove some duplicate code and simplify alloc_pages_vma(). No functional
change.
Signed-off-by: David Rientjes <rientjes@google.com>
---
mm/mempolicy.c | 21 ++++-----------------
1 file changed, 4 insertions(+), 17 deletions(-)
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1907,7 +1907,6 @@ alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma,
unsigned long addr, int node)
{
struct mempolicy *pol;
- struct zonelist *zl;
struct page *page;
unsigned int cpuset_mems_cookie;
@@ -1926,23 +1925,11 @@ retry_cpuset:
return page;
}
- zl = policy_zonelist(gfp, pol, node);
- if (unlikely(mpol_needs_cond_ref(pol))) {
- /*
- * slow path: ref counted shared policy
- */
- struct page *page = __alloc_pages_nodemask(gfp, order,
- zl, policy_nodemask(gfp, pol));
- __mpol_put(pol);
- if (unlikely(!put_mems_allowed(cpuset_mems_cookie) && !page))
- goto retry_cpuset;
- return page;
- }
- /*
- * fast path: default or task policy
- */
- page = __alloc_pages_nodemask(gfp, order, zl,
+ page = __alloc_pages_nodemask(gfp, order,
+ policy_zonelist(gfp, pol, node),
policy_nodemask(gfp, pol));
+ if (unlikely(mpol_needs_cond_ref(pol)))
+ __mpol_put(pol);
if (unlikely(!put_mems_allowed(cpuset_mems_cookie) && !page))
goto retry_cpuset;
return page;
--
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reply other threads:[~2012-11-07 8:17 UTC|newest]
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