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Commit ac129414 authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "mm/page_owner: ask users about default setting of PAGE_OWNER"

parents 6fccf76b 6fe7396f

lib/Kconfig.debug

+11 −0
Original line number Diff line number Diff line
@@ -283,6 +283,17 @@ config PAGE_OWNER 


	  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

	bool "Debug Filesystem"

	help

mm/page_owner.c

+5 −1
Original line number Diff line number Diff line
@@ -26,7 +26,8 @@ struct page_owner { 
	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);



static depot_stack_handle_t dummy_handle;
@@ -43,6 +44,9 @@ static int __init early_page_owner_param(char *buf) 
	if (strcmp(buf, "on") == 0)

		page_owner_disabled = false;



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

		page_owner_disabled = true;



	return 0;

}

early_param("page_owner", early_page_owner_param);