The quilt patch titled Subject: mm: page_alloc: move is_check_pages_enabled() into page_alloc.c has been removed from the -mm tree. Its filename was mm-page_alloc-move-is_check_pages_enabled-into-page_allocc.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Subject: mm: page_alloc: move is_check_pages_enabled() into page_alloc.c Date: Tue, 16 May 2023 14:38:21 +0800 The is_check_pages_enabled() only used in page_alloc.c, move it into page_alloc.c, also use it in free_tail_page_prepare(). Link: https://lkml.kernel.org/r/20230516063821.121844-14-wangkefeng.wang@xxxxxxxxxx Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: "Huang, Ying" <ying.huang@xxxxxxxxx> Cc: Iurii Zaikin <yzaikin@xxxxxxxxxx> Cc: Kees Cook <keescook@xxxxxxxxxxxx> Cc: Len Brown <len.brown@xxxxxxxxx> Cc: Luis Chamberlain <mcgrof@xxxxxxxxxx> Cc: Mike Rapoport (IBM) <rppt@xxxxxxxxxx> Cc: Oscar Salvador <osalvador@xxxxxxx> Cc: Pavel Machek <pavel@xxxxxx> Cc: Rafael J. Wysocki <rafael@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/internal.h | 5 ----- mm/page_alloc.c | 7 ++++++- 2 files changed, 6 insertions(+), 6 deletions(-) --- a/mm/internal.h~mm-page_alloc-move-is_check_pages_enabled-into-page_allocc +++ a/mm/internal.h @@ -208,11 +208,6 @@ extern char * const zone_names[MAX_NR_ZO /* perform sanity checks on struct pages being allocated or freed */ DECLARE_STATIC_KEY_MAYBE(CONFIG_DEBUG_VM, check_pages_enabled); -static inline bool is_check_pages_enabled(void) -{ - return static_branch_unlikely(&check_pages_enabled); -} - extern int min_free_kbytes; void setup_per_zone_wmarks(void); --- a/mm/page_alloc.c~mm-page_alloc-move-is_check_pages_enabled-into-page_allocc +++ a/mm/page_alloc.c @@ -983,6 +983,11 @@ static inline bool free_page_is_bad(stru return true; } +static inline bool is_check_pages_enabled(void) +{ + return static_branch_unlikely(&check_pages_enabled); +} + static int free_tail_page_prepare(struct page *head_page, struct page *page) { struct folio *folio = (struct folio *)head_page; @@ -994,7 +999,7 @@ static int free_tail_page_prepare(struct */ BUILD_BUG_ON((unsigned long)LIST_POISON1 & 1); - if (!static_branch_unlikely(&check_pages_enabled)) { + if (!is_check_pages_enabled()) { ret = 0; goto out; } _ Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are