* [PATCH] mm/page_owner: move config option to mm/Kconfig.debug
@ 2019-01-20 2:42 Changbin Du
2019-02-13 17:49 ` Vlastimil Babka
0 siblings, 1 reply; 2+ messages in thread
From: Changbin Du @ 2019-01-20 2:42 UTC (permalink / raw)
To: akpm; +Cc: yamada.masahiro, mingo, arnd, linux-kernel, linux-mm, Changbin Du
Move the PAGE_OWNER option from submenu "Compile-time checks and compiler
options" to dedicated submenu "Memory Debugging".
Signed-off-by: Changbin Du <changbin.du@gmail.com>
---
lib/Kconfig.debug | 17 -----------------
mm/Kconfig.debug | 17 +++++++++++++++++
2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d4df5b24d75e..e43cfdc86fd6 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -266,23 +266,6 @@ config UNUSED_SYMBOLS
you really need it, and what the merge plan to the mainline kernel for
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
bool "Debug Filesystem"
help
diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index 9a7b8b049d04..e3df921208c0 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -39,6 +39,23 @@ config DEBUG_PAGEALLOC_ENABLE_DEFAULT
Enable debug page memory allocations by default? This value
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
bool "Poison pages after freeing"
select PAGE_POISONING_NO_SANITY if HIBERNATION
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] mm/page_owner: move config option to mm/Kconfig.debug
2019-01-20 2:42 [PATCH] mm/page_owner: move config option to mm/Kconfig.debug Changbin Du
@ 2019-02-13 17:49 ` Vlastimil Babka
0 siblings, 0 replies; 2+ messages in thread
From: Vlastimil Babka @ 2019-02-13 17:49 UTC (permalink / raw)
To: Changbin Du, akpm; +Cc: yamada.masahiro, mingo, arnd, linux-kernel, linux-mm
On 1/20/19 3:42 AM, Changbin Du wrote:
> Move the PAGE_OWNER option from submenu "Compile-time checks and compiler
> options" to dedicated submenu "Memory Debugging".
>
> Signed-off-by: Changbin Du <changbin.du@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2019-01-20 2:42 [PATCH] mm/page_owner: move config option to mm/Kconfig.debug Changbin Du
2019-02-13 17:49 ` Vlastimil Babka
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