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authorCatalin Marinas <catalin.marinas@arm.com>2009-06-23 14:40:27 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2009-06-23 14:40:27 +0100
commitbf96d1e3e7a35a17cea255048ffb3243bd9c8123 (patch)
treeab5d5abe511a0c6b940cf3a862bb026e88ce56ba /lib
parentae281064be164342554b34f4ca5c4af33dce3de1 (diff)
downloadvexpress-lsk-bf96d1e3e7a35a17cea255048ffb3243bd9c8123.tar.gz
kmemleak: Do not force the slab debugging Kconfig options
Selecting DEBUG_SLAB or SLUB_DEBUG by the KMEMLEAK menu entry may cause issues with other dependencies (KMEMCHECK). These configuration options aren't strictly needed by kmemleak but they may increase the chances of finding leaks. This patch also updates the KMEMLEAK config entry help text. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug5
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 23067ab1a73..4c32b1a1a06 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -340,8 +340,6 @@ config DEBUG_KMEMLEAK
bool "Kernel memory leak detector"
depends on DEBUG_KERNEL && EXPERIMENTAL && (X86 || ARM) && \
!MEMORY_HOTPLUG
- select DEBUG_SLAB if SLAB
- select SLUB_DEBUG if SLUB
select DEBUG_FS if SYSFS
select STACKTRACE if STACKTRACE_SUPPORT
select KALLSYMS
@@ -355,6 +353,9 @@ config DEBUG_KMEMLEAK
allocations. See Documentation/kmemleak.txt for more
details.
+ Enabling DEBUG_SLAB or SLUB_DEBUG may increase the chances
+ of finding leaks due to the slab objects poisoning.
+
In order to access the kmemleak file, debugfs needs to be
mounted (usually at /sys/kernel/debug).