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Commit 08c53911 authored by David Keitel's avatar David Keitel
Browse files

defconfig: 8994: enable CONFIG_DEBUG_SLUB_PANIC_ON 



Add the DEBUG_SLUB_PANIC_ON option to KCONFIG preventing
the existing defconfig option from being overwritten
by make config.

This will induce a panic if slab debug catches corruptions
within the padding of a given object.

The intention here is to induce collection of data
immediately after the corruption is detected with
the goal to catch the possible source of the corruption.

Change-Id: Ide0102d0761022c643a761989360ae5c853870a8
Signed-off-by: default avatarDavid Keitel <dkeitel@codeaurora.org>
parent a65cf5a3

arch/arm64/configs/msm8994_defconfig

+1 −1
Original line number Diff line number Diff line
@@ -539,7 +539,6 @@ CONFIG_DEBUG_OBJECTS_WORK=y 
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y

CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER=y

CONFIG_SLUB_DEBUG_ON=y

CONFIG_SLUB_DEBUG_PANIC_ON=y

CONFIG_DEBUG_KMEMLEAK=y

CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=4000

CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y
@@ -554,6 +553,7 @@ CONFIG_FAULT_INJECTION=y 
CONFIG_FAIL_PAGE_ALLOC=y

CONFIG_FAULT_INJECTION_DEBUG_FS=y

CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y

CONFIG_SLUB_DEBUG_PANIC_ON=y

CONFIG_MSM_RTB=y

CONFIG_MSM_RTB_SEPARATE_CPUS=y

CONFIG_IPC_LOGGING=y

mm/Kconfig.debug

+10 −0
Original line number Diff line number Diff line
@@ -17,6 +17,16 @@ config DEBUG_PAGEALLOC 
	  that would result in incorrect warnings of memory corruption after

	  a resume because free pages are not saved to the suspend image.



config SLUB_DEBUG_PANIC_ON

	bool "Enable to Panic on SLUB corruption detection"

	depends on SLUB_DEBUG

	help

	  SLUB has a resiliency feature enabled which restores bytes in

	  order for production environments to continue to operate. IN

	  debug options this may not be desirable as it prevents from

	  investigating the root cause which may be rooted within cache

	  or memory.



config WANT_PAGE_DEBUG_FLAGS

	bool