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Wysocki" Cc: Dmitry Vyukov , Len Brown , Mike Rapoport , Pavel Machek , kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-pm@vger.kernel.org X-Mailer: b4 0.16.1-dev X-Rspam-User: X-Rspamd-Queue-Id: F08F240006 X-Stat-Signature: 3jbeynu83ydqfwto79stfhkbona1s9fm X-Rspamd-Server: rspam01 X-HE-Tag: 1789625239-208081 X-HE-Meta: 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 ChcuAQqm a4XUcTOCTZu55M+7+9MiXKwA3cDT9d35mKxTKzq21hQm3pQ5bH3m0OEo42159FAs+95ZdYtdAM2conuDBIArF0/D2KMUphV1keXayuLJZFzuLzQbKtzxRQ6NXS2L/srq2cXllfzlIwpiyktiJfjXZAXck9IOq0mvdETS11Q6MSG6DkeAlRWmZp5q+EHv7inpMJPVU3V0L/KsSjc0vpuqZvFYCpV4n6j0rSmpy9kUi95tBa24kpVrzGh4RgCRVXpThDvHjan+BATGCBqZEMOHCX98DQuyYHFjj8irZ/fLkrIiZ+no= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Since commit 31a1b9d7fe768 ("mm: page_alloc: move mark_free_page() into snapshot.c") several helpers that set, clear and query free and forbidden page status are only used inside kernel/power/snapshot.c Make them static and add necessary forward declarations near the existing declarations of similar helpers. Signed-off-by: Mike Rapoport (Microsoft) --- include/linux/suspend.h | 6 ------ kernel/power/snapshot.c | 15 +++++++++------ 2 files changed, 9 insertions(+), 12 deletions(-) diff --git a/include/linux/suspend.h b/include/linux/suspend.h index b02876f1ae38a..b3435c5ef63f7 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -381,9 +381,6 @@ struct platform_hibernation_ops { #ifdef CONFIG_HIBERNATION /* kernel/power/snapshot.c */ extern void register_nosave_region(unsigned long b, unsigned long e); -extern int swsusp_page_is_forbidden(struct page *); -extern void swsusp_set_page_free(struct page *); -extern void swsusp_unset_page_free(struct page *); extern unsigned long get_safe_page(gfp_t gfp_mask); extern asmlinkage int swsusp_arch_suspend(void); extern asmlinkage int swsusp_arch_resume(void); @@ -404,9 +401,6 @@ int arch_hibernation_header_restore(void *addr); #else /* CONFIG_HIBERNATION */ static inline void register_nosave_region(unsigned long b, unsigned long e) {} -static inline int swsusp_page_is_forbidden(struct page *p) { return 0; } -static inline void swsusp_set_page_free(struct page *p) {} -static inline void swsusp_unset_page_free(struct page *p) {} static inline void hibernation_set_ops(const struct platform_hibernation_ops *ops) {} static inline int hibernate(void) { return -ENOSYS; } diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index d5dba0e50b2eb..e732bf6389e4c 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -112,9 +112,12 @@ static inline void hibernate_unmap_page(struct page *page) } } -static int swsusp_page_is_free(struct page *); -static void swsusp_set_page_forbidden(struct page *); -static void swsusp_unset_page_forbidden(struct page *); +static int swsusp_page_is_free(struct page *page); +static void swsusp_set_page_free(struct page *page); +static void swsusp_unset_page_free(struct page *page); +static int swsusp_page_is_forbidden(struct page *page); +static void swsusp_set_page_forbidden(struct page *page); +static void swsusp_unset_page_forbidden(struct page *page); /* * Number of bytes to reserve for memory allocations made by device drivers @@ -1036,7 +1039,7 @@ static struct memory_bitmap *free_pages_map; * corresponding bits in forbidden_pages_map and free_pages_map simultaneously */ -void swsusp_set_page_free(struct page *page) +static void swsusp_set_page_free(struct page *page) { if (free_pages_map) memory_bm_set_bit(free_pages_map, page_to_pfn(page)); @@ -1048,7 +1051,7 @@ static int swsusp_page_is_free(struct page *page) memory_bm_test_bit(free_pages_map, page_to_pfn(page)) : 0; } -void swsusp_unset_page_free(struct page *page) +static void swsusp_unset_page_free(struct page *page) { if (free_pages_map) memory_bm_clear_bit(free_pages_map, page_to_pfn(page)); @@ -1060,7 +1063,7 @@ static void swsusp_set_page_forbidden(struct page *page) memory_bm_set_bit(forbidden_pages_map, page_to_pfn(page)); } -int swsusp_page_is_forbidden(struct page *page) +static int swsusp_page_is_forbidden(struct page *page) { return forbidden_pages_map ? memory_bm_test_bit(forbidden_pages_map, page_to_pfn(page)) : 0; -- 2.53.0