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authorKefeng Wang <wangkefeng.wang@huawei.com>2023-05-16 14:38:18 +0800
committerAndrew Morton <akpm@linux-foundation.org>2023-06-09 16:25:24 -0700
commit07f44ac3c90c50a201307d3fe4dda120ee8394f5 (patch)
tree17b651ff3917a387f390e1638bfe3c7cdb104194 /kernel/power/power.h
parent31a1b9d7fe768db521b12287ec6426983e9787e3 (diff)
mm: page_alloc: move pm_* function into power
pm_restrict_gfp_mask()/pm_restore_gfp_mask() only used in power, let's move them out of page_alloc.c. Adding a general gfp_has_io_fs() function which return true if gfp with both __GFP_IO and __GFP_FS flags, then use it inside of pm_suspended_storage(), also the pm_suspended_storage() is moved into suspend.h. Link: https://lkml.kernel.org/r/20230516063821.121844-11-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 'kernel/power/power.h')
-rw-r--r--kernel/power/power.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h
index b83c8d5e188d..ac14d1b463d1 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -216,6 +216,11 @@ static inline void suspend_test_finish(const char *label) {}
/* kernel/power/main.c */
extern int pm_notifier_call_chain_robust(unsigned long val_up, unsigned long val_down);
extern int pm_notifier_call_chain(unsigned long val);
+void pm_restrict_gfp_mask(void);
+void pm_restore_gfp_mask(void);
+#else
+static inline void pm_restrict_gfp_mask(void) {}
+static inline void pm_restore_gfp_mask(void) {}
#endif
#ifdef CONFIG_HIGHMEM