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authorStanislaw Gruszka <sgruszka@redhat.com>2011-11-29 17:05:11 +0100
committerIngo Molnar <mingo@elte.hu>2011-12-06 09:24:07 +0100
commit54c29c635ae91f5d75ced7bffeaa77ba37ca02bb (patch)
treecddf131b5e70809ec5c282f619de0635e45c1cfa /init/main.c
parent855c743a27bb58a9a521bdc485ef5acfdb69badc (diff)
downloadvexpress-lsk-54c29c635ae91f5d75ced7bffeaa77ba37ca02bb.tar.gz
mm, x86: Remove debug_pagealloc_enabled
When (no)bootmem finish operation, it pass pages to buddy allocator. Since debug_pagealloc_enabled is not set, we will do not protect pages, what is not what we want with CONFIG_DEBUG_PAGEALLOC=y. To fix remove debug_pagealloc_enabled. That variable was introduced by commit 12d6f21e "x86: do not PSE on CONFIG_DEBUG_PAGEALLOC=y" to get more CPA (change page attribude) code testing. But currently we have CONFIG_CPA_DEBUG, which test CPA. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Mel Gorman <mgorman@suse.de> Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/1322582711-14571-1-git-send-email-sgruszka@redhat.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'init/main.c')
-rw-r--r--init/main.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/init/main.c b/init/main.c
index 217ed23e948..99c4ba30ba7 100644
--- a/init/main.c
+++ b/init/main.c
@@ -282,10 +282,6 @@ static int __init unknown_bootoption(char *param, char *val)
return 0;
}
-#ifdef CONFIG_DEBUG_PAGEALLOC
-int __read_mostly debug_pagealloc_enabled = 0;
-#endif
-
static int __init init_setup(char *str)
{
unsigned int i;
@@ -597,7 +593,6 @@ asmlinkage void __init start_kernel(void)
}
#endif
page_cgroup_init();
- enable_debug_pagealloc();
debug_objects_mem_init();
kmemleak_init();
setup_per_cpu_pageset();