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Commit 73f57f5b authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "mm/page_owner: ask users about default setting of PAGE_OWNER" into msm-4.9

parents 26ee6abd 65cfa9fd

lib/Kconfig.debug

+11 −0
Original line number Original line Diff line number Diff line
@@ -257,6 +257,17 @@ config PAGE_OWNER 




	  If unsure, say N.

	  If unsure, say N.





config PAGE_OWNER_ENABLE_DEFAULT

	bool "Enable Track page owner by default"

	depends on PAGE_OWNER

	---help---

	  This keeps track of what call chain is the owner of a page, may

	  help to find bare alloc_page(s) leaks. If you include this

	  feature on your build, it is enabled by default. You should pass

	  "page_owner=off" to boot parameter in order to disable it. Eats

	  a fair amount of memory if enabled. See tools/vm/page_owner_sort.c

	  for user-space helper.



config DEBUG_FS

config DEBUG_FS

	bool "Debug Filesystem"

	bool "Debug Filesystem"

	select SRCU

	select SRCU

mm/page_owner.c

+5 −1
Original line number Original line Diff line number Diff line
@@ -25,7 +25,8 @@ struct page_owner { 
	depot_stack_handle_t handle;

	depot_stack_handle_t handle;

};

};





static bool page_owner_disabled = true;

static bool page_owner_disabled =

	!IS_ENABLED(CONFIG_PAGE_OWNER_ENABLE_DEFAULT);

DEFINE_STATIC_KEY_FALSE(page_owner_inited);

DEFINE_STATIC_KEY_FALSE(page_owner_inited);





static depot_stack_handle_t dummy_handle;

static depot_stack_handle_t dummy_handle;
@@ -41,6 +42,9 @@ static int early_page_owner_param(char *buf) 
	if (strcmp(buf, "on") == 0)

	if (strcmp(buf, "on") == 0)

		page_owner_disabled = false;

		page_owner_disabled = false;





	if (strcmp(buf, "off") == 0)

		page_owner_disabled = true;



	return 0;

	return 0;

}

}

early_param("page_owner", early_page_owner_param);

early_param("page_owner", early_page_owner_param);