* KAMEZAWA Hiroyuki [off-list ref] 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 a??node_start_pfna?? [-Werror=implicit-function-declaration]
  mm/page_cgroup.c:309:3: error: implicit declaration of function a??node_end_pfna?? [-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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