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Commit 635d5e56 authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "mm: allow page poisoning to be enabled by default"

parents 4af4ce0c e6823c3d

mm/Kconfig.debug

+10 −0
Original line number Diff line number Diff line
@@ -87,6 +87,16 @@ config PAGE_POISONING 


	  If unsure, say N



config PAGE_POISONING_ENABLE_DEFAULT

	bool "Enable page poisoning by default?"

	default n

	depends on PAGE_POISONING

	help

	  Enable page poisoning of free pages by default? This value

	  can be overridden by page_poison=off|on. This can be used

	  to avoid passing the kernel parameter and let page poisoning

	  feature enabled by default.



config PAGE_POISONING_NO_SANITY

	depends on PAGE_POISONING

	bool "Only poison, don't sanity check"

mm/page_poison.c

+2 −1
Original line number Diff line number Diff line
@@ -8,7 +8,8 @@ 
#include <linux/ratelimit.h>

#include <linux/kasan.h>



static bool want_page_poisoning __read_mostly;

static bool want_page_poisoning __read_mostly

		= IS_ENABLED(CONFIG_PAGE_POISONING_ENABLE_DEFAULT);



static int __init early_page_poison_param(char *buf)

{