| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1225341530.3135.26.camel@sebastian.kern.oss.ntt.co.jp>
Date: Thu, 30 Oct 2008 13:38:50 +0900
From: Fernando Luis Vázquez Cao
<fernando@....ntt.co.jp>
To: akpm@...ux-foundation.org
Cc: kamezawa.hiroyu@...fujitsu.com, linux-kernel@...r.kernel.org
Subject: [PATCH] memcg: do not recalculate section unnecessarily in
init_section_page_cgroup
Signed-off-by: Fernando Luis Vazquez Cao <fernando@....ntt.co.jp>
---
diff -urNp linux-2.6.28-rc2-mm1-orig/mm/page_cgroup.c linux-2.6.28-rc2-mm1/mm/page_cgroup.c
--- linux-2.6.28-rc2-mm1-orig/mm/page_cgroup.c 2008-10-30 12:49:27.000000000 +0900
+++ linux-2.6.28-rc2-mm1/mm/page_cgroup.c 2008-10-30 12:52:41.000000000 +0900
@@ -99,13 +99,11 @@ struct page_cgroup *lookup_page_cgroup(s
int __meminit init_section_page_cgroup(unsigned long pfn)
{
- struct mem_section *section;
+ struct mem_section *section = __pfn_to_section(pfn);
struct page_cgroup *base, *pc;
unsigned long table_size;
int nid, index;
- section = __pfn_to_section(pfn);
-
if (section->page_cgroup)
return 0;
@@ -131,7 +129,6 @@ int __meminit init_section_page_cgroup(u
__init_page_cgroup(pc, pfn + index);
}
- section = __pfn_to_section(pfn);
section->page_cgroup = base - pfn;
total_usage += table_size;
return 0;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists