From 52f238653e452e0fda61e880f263a173d219acd1 Mon Sep 17 00:00:00 2001
From: Suren Baghdasaryan <surenb@google.com>
Date: Mon, 27 Feb 2023 09:36:27 -0800
Subject: mm: introduce per-VMA lock statistics

Add a new CONFIG_PER_VMA_LOCK_STATS config option to dump extra statistics
about handling page fault under VMA lock.

Link: https://lkml.kernel.org/r/20230227173632.3292573-29-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/Kconfig.debug | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'mm/Kconfig.debug')

diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index c3547a373c9c..4965a7333a3f 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -279,3 +279,9 @@ config DEBUG_KMEMLEAK_AUTO_SCAN
 
 	  If unsure, say Y.
 
+config PER_VMA_LOCK_STATS
+	bool "Statistics for per-vma locks"
+	depends on PER_VMA_LOCK
+	default y
+	help
+	  Statistics for per-vma locks.
-- 
cgit v1.2.3


From 27d9a0fdb53f05c93ed9c674b870c8add451697e Mon Sep 17 00:00:00 2001
From: Hao Ge <gehao@kylinos.cn>
Date: Thu, 30 Mar 2023 14:09:04 +0800
Subject: kmemleak-test: fix kmemleak_test.c build logic

kmemleak-test.c was moved to the samples directory in 1abbef4f51724
("mm,kmemleak-test.c: move kmemleak-test.c to samples dir").

If CONFIG_DEBUG_KMEMLEAK_TEST=m and CONFIG_SAMPLES is unset,
kmemleak-test.c will be unnecessarily compiled.

So move the entry for CONFIG_DEBUG_KMEMLEAK_TEST from mm/Kconfig and add a
new CONFIG_SAMPLE_KMEMLEAK in samples/ to control whether kmemleak-test.c
is built or not.

Link: https://lkml.kernel.org/r/20230330060904.292975-1-gehao@kylinos.cn
Fixes: 1abbef4f51724 ("mm,kmemleak-test.c: move kmemleak-test.c to samples dir")
Signed-off-by: Hao Ge <gehao@kylinos.cn>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Alex Gaynor <alex.gaynor@gmail.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Finn Behrens <me@kloenk.dev>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Tony Krowiak <akrowiak@linux.ibm.com>
Cc: Ye Xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/Kconfig.debug | 8 --------
 1 file changed, 8 deletions(-)

(limited to 'mm/Kconfig.debug')

diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index 4965a7333a3f..065ed0d687cb 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -249,14 +249,6 @@ config DEBUG_KMEMLEAK_MEM_POOL_SIZE
 	  fully initialised, this memory pool acts as an emergency one
 	  if slab allocations fail.
 
-config DEBUG_KMEMLEAK_TEST
-	tristate "Simple test for the kernel memory leak detector"
-	depends on DEBUG_KMEMLEAK && m
-	help
-	  This option enables a module that explicitly leaks memory.
-
-	  If unsure, say N.
-
 config DEBUG_KMEMLEAK_DEFAULT_OFF
 	bool "Default kmemleak to off"
 	depends on DEBUG_KMEMLEAK
-- 
cgit v1.2.3