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Commit a84bbf92 authored by Channagoud Kadabi's avatar Channagoud Kadabi Committed by Prasad Sodagudi
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mm: Kconfig: Add DEBUG_SLUB_PANIC_ON option 



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: Idffa42de790b9e096e28f7e1f484d86c013d7d83
Signed-off-by: default avatarChannagoud Kadabi <ckadabi@codeaurora.org>
Signed-off-by: default avatarPrasad Sodagudi <psodagud@codeaurora.org>
parent f3dd4aae

mm/Kconfig.debug

+10 −0
Original line number Diff line number Diff line
@@ -31,6 +31,16 @@ config DEBUG_PAGEALLOC 
	  enabled by DEBUG_PAGEALLOC_ENABLE_DEFAULT or the debug_pagealloc

	  command line parameter.



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 DEBUG_PAGEALLOC_ENABLE_DEFAULT

	bool "Enable debug page memory allocations by default?"

	default n