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mm/page_owner: move config option to mm/Kconfig.debug 

Move the PAGE_OWNER option from submenu "Compile-time checks and
compiler options" to dedicated submenu "Memory Debugging".

Link: http://lkml.kernel.org/r/20190120024254.6270-1-changbin.du@gmail.com
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Changbin Du 2019-03-05 15:46:19 -08:00 committed by Linus Torvalds
parent 43cca0b1c5
commit 8aa49762db
2 changed files with 17 additions and 17 deletions
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17
lib/Kconfig.debug
View File

@ -265,23 +265,6 @@ config UNUSED_SYMBOLS
you really need it, and what the merge plan to the mainline kernel for you really need it, and what the merge plan to the mainline kernel for
your module is. your module is.
config PAGE_OWNER
bool "Track page owner"
depends on DEBUG_KERNEL && STACKTRACE_SUPPORT
select DEBUG_FS
select STACKTRACE
select STACKDEPOT
select PAGE_EXTENSION
help
This keeps track of what call chain is the owner of a page, may
help to find bare alloc_page(s) leaks. Even if you include this
feature on your build, it is disabled in default. You should pass
"page_owner=on" to boot parameter in order to enable it. Eats
a fair amount of memory if enabled. See tools/vm/page_owner_sort.c
for user-space helper.
If unsure, say N.
config DEBUG_FS config DEBUG_FS
bool "Debug Filesystem" bool "Debug Filesystem"
help help

17
mm/Kconfig.debug
View File

@ -39,6 +39,23 @@ config DEBUG_PAGEALLOC_ENABLE_DEFAULT
Enable debug page memory allocations by default? This value Enable debug page memory allocations by default? This value
can be overridden by debug_pagealloc=off|on. can be overridden by debug_pagealloc=off|on.
config PAGE_OWNER
bool "Track page owner"
depends on DEBUG_KERNEL && STACKTRACE_SUPPORT
select DEBUG_FS
select STACKTRACE
select STACKDEPOT
select PAGE_EXTENSION
help
This keeps track of what call chain is the owner of a page, may
help to find bare alloc_page(s) leaks. Even if you include this
feature on your build, it is disabled in default. You should pass
"page_owner=on" to boot parameter in order to enable it. Eats
a fair amount of memory if enabled. See tools/vm/page_owner_sort.c
for user-space helper.
If unsure, say N.
config PAGE_POISONING config PAGE_POISONING
bool "Poison pages after freeing" bool "Poison pages after freeing"
select PAGE_POISONING_NO_SANITY if HIBERNATION select PAGE_POISONING_NO_SANITY if HIBERNATION