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Subject[-git build bug, PATCH] Re: [BUGFIX][PATCH 2/5] memcg: fix init_page_cgroup nid with sparsemem

* KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:

> Date: Mon, 13 Jun 2011 10:09:17 +0900
> Subject: [PATCH 2/5] [BUGFIX] memcg: fix init_page_cgroup nid with sparsemem

This fresh upstream commit commit:

37573e8c7182: memcg: fix init_page_cgroup nid with sparsemem

is causing widespread build failures on latest -git, on x86:

mm/page_cgroup.c:308:3: error: implicit declaration of function ‘node_start_pfn’ [-Werror=implicit-function-declaration]
mm/page_cgroup.c:309:3: error: implicit declaration of function ‘node_end_pfn’ [-Werror=implicit-function-declaration]

On any config that has CONFIG_CGROUP_MEM_RES_CTLR=y enabled but
CONFIG_NUMA disabled.

For now i've worked it around with the patch below, but the real
solution would be to make the page_cgroup.c code not depend on NUMA.

Thanks,

Ingo

diff --git a/init/Kconfig b/init/Kconfig
index 412c21b..1593be9 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -639,6 +639,7 @@ config RESOURCE_COUNTERS
config CGROUP_MEM_RES_CTLR
bool "Memory Resource Controller for Control Groups"
depends on RESOURCE_COUNTERS
+ depends on NUMA
select MM_OWNER
help
Provides a memory resource controller that manages both anonymous
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