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authorAkinobu Mita <akinobu.mita@gmail.com>2009-04-02 16:56:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-02 19:04:48 -0700
commitee3b4290aec03022cfb67c9adba9f1b3215245f0 (patch)
tree37130f5de4d5ccd2be4902dc3dec9ec6a371c2ed /arch/s390/Kconfig.debug
parent833bb3046b6cb320e775ea2160ddca87d53260d5 (diff)
downloadvexpress-lsk-ee3b4290aec03022cfb67c9adba9f1b3215245f0.tar.gz
generic debug pagealloc: build fix
This fixes a build failure with generic debug pagealloc: mm/debug-pagealloc.c: In function 'set_page_poison': mm/debug-pagealloc.c:8: error: 'struct page' has no member named 'debug_flags' mm/debug-pagealloc.c: In function 'clear_page_poison': mm/debug-pagealloc.c:13: error: 'struct page' has no member named 'debug_flags' mm/debug-pagealloc.c: In function 'page_poison': mm/debug-pagealloc.c:18: error: 'struct page' has no member named 'debug_flags' mm/debug-pagealloc.c: At top level: mm/debug-pagealloc.c:120: error: redefinition of 'kernel_map_pages' include/linux/mm.h:1278: error: previous definition of 'kernel_map_pages' was here mm/debug-pagealloc.c: In function 'kernel_map_pages': mm/debug-pagealloc.c:122: error: 'debug_pagealloc_enabled' undeclared (first use in this function) by fixing - debug_flags should be in struct page - define DEBUG_PAGEALLOC config option for all architectures Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Reported-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/s390/Kconfig.debug')
-rw-r--r--arch/s390/Kconfig.debug9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug
index 7e297a3cde3..2283933a9a9 100644
--- a/arch/s390/Kconfig.debug
+++ b/arch/s390/Kconfig.debug
@@ -6,13 +6,4 @@ config TRACE_IRQFLAGS_SUPPORT
source "lib/Kconfig.debug"
-config DEBUG_PAGEALLOC
- bool "Debug page memory allocations"
- depends on DEBUG_KERNEL
- depends on ARCH_SUPPORTS_DEBUG_PAGEALLOC
- help
- Unmap pages from the kernel linear mapping after free_pages().
- This results in a slowdown, but helps to find certain types of
- memory corruptions.
-
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