diff options
Diffstat (limited to 'include/linux/suspend.h')
| -rw-r--r-- | include/linux/suspend.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/suspend.h b/include/linux/suspend.h index bf99bd49f8ef..a45b9f514492 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -8,6 +8,7 @@ #include <linux/notifier.h> #include <linux/init.h> #include <linux/pm.h> +#include <linux/mm.h> /* struct pbe is used for creating lists of pages that should be restored * atomically during the resume from disk, because the page frames they have @@ -49,6 +50,38 @@ void __save_processor_state(struct saved_context *ctxt); void __restore_processor_state(struct saved_context *ctxt); unsigned long get_safe_page(gfp_t gfp_mask); +/* Page management functions for the software suspend (swsusp) */ + +static inline void swsusp_set_page_forbidden(struct page *page) +{ + SetPageNosave(page); +} + +static inline int swsusp_page_is_forbidden(struct page *page) +{ + return PageNosave(page); +} + +static inline void swsusp_unset_page_forbidden(struct page *page) +{ + ClearPageNosave(page); +} + +static inline void swsusp_set_page_free(struct page *page) +{ + SetPageNosaveFree(page); +} + +static inline int swsusp_page_is_free(struct page *page) +{ + return PageNosaveFree(page); +} + +static inline void swsusp_unset_page_free(struct page *page) +{ + ClearPageNosaveFree(page); +} + /* * XXX: We try to keep some more pages free so that I/O operations succeed * without paging. Might this be more? |