diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2023-05-16 09:38:21 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-10 02:25:25 +0300 |
| commit | ecbb490d8ee38fd84a0d682282589ff723dc62c0 (patch) | |
| tree | e1ac8d8dbea064ca1bc4c0659b509046d10d0faa /mm/page_alloc.c | |
| parent | e95d372c4cd46b6ec4eeacc07adcb7260ab4cfa0 (diff) | |
| download | linux-ecbb490d8ee38fd84a0d682282589ff723dc62c0.tar.xz | |
mm: page_alloc: move is_check_pages_enabled() into page_alloc.c
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@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Len Brown <len.brown@intel.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d19a05264125..ee23ba9c0ca7 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -983,6 +983,11 @@ static inline bool free_page_is_bad(struct page *page) 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 page *head_page, struct page *page) */ BUILD_BUG_ON((unsigned long)LIST_POISON1 & 1); - if (!static_branch_unlikely(&check_pages_enabled)) { + if (!is_check_pages_enabled()) { ret = 0; goto out; } |