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* [PATCH] mm/damon/Kconfig: Hide PAGE_IDLE_FLAG from users
@ 2021-08-13  8:12 SeongJae Park
  2021-08-13  8:20 ` Valdis Klētnieks
  0 siblings, 1 reply; 2+ messages in thread
From: SeongJae Park @ 2021-08-13  8:12 UTC (permalink / raw)
  To: akpm; +Cc: valdis.kletnieks, linux-mm, linux-kernel, SeongJae Park

From: SeongJae Park <>

Commit 2a058a1a9914 ("mm/idle_page_tracking: make PG_idle reusable") of
linux-mm[1] makes CONFIG_PAGE_IDLE_FLAG option to be presented to the
user.  However, the option is hard to be understood by users.  Also, it
is not intended to be set by users but other kernel subsystems like
DAMON or IDLE_PAGE_TRACKING.  To avoid confusions, this commit removes
the prompt so that the option is not presented to the user.


Suggested-by: Andrew Morton <>
Signed-off-by: SeongJae Park <>
 mm/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/Kconfig b/mm/Kconfig
index 8d3a005edea5..be726f61ef9b 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -740,7 +740,7 @@ config DEFERRED_STRUCT_PAGE_INIT
-	bool "Add PG_idle and PG_young flags"
+	bool
 	select PAGE_EXTENSION if !64BIT
 	  This adds PG_idle and PG_young flags to 'struct page'.  PTE Accessed

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2021-08-13  8:12 [PATCH] mm/damon/Kconfig: Hide PAGE_IDLE_FLAG from users SeongJae Park
2021-08-13  8:20 ` Valdis Klētnieks

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