X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Flinux%2Fsuspend.h;h=9d2aa1a12aa02803ab109297b7dd2da00cfd4a62;hb=393bfca19ecdce60a8d9a4d2577cac11ca924a25;hp=96e31aa64cc7c152f17e182b34801de452004e75;hpb=c0bc8721b8d0380ec69fa97578c91201201b05a9;p=powerpc.git

diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 96e31aa64c..9d2aa1a12a 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -1,81 +1,55 @@
 #ifndef _LINUX_SWSUSP_H
 #define _LINUX_SWSUSP_H
 
-#if defined(CONFIG_X86) || defined(CONFIG_FRV) || defined(CONFIG_PPC32)
+#if defined(CONFIG_X86) || defined(CONFIG_FRV) || defined(CONFIG_PPC32) || defined(CONFIG_PPC64)
 #include <asm/suspend.h>
 #endif
 #include <linux/swap.h>
 #include <linux/notifier.h>
 #include <linux/init.h>
 #include <linux/pm.h>
+#include <linux/mm.h>
 
-/* page backup entry */
-typedef struct pbe {
-	unsigned long address;		/* address of the copy */
-	unsigned long orig_address;	/* original address of page */
+/* 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
+ * occupied before the suspend are in use.
+ */
+struct pbe {
+	void *address;		/* address of the copy */
+	void *orig_address;	/* original address of a page */
 	struct pbe *next;
-} suspend_pagedir_t;
-
-#define for_each_pbe(pbe, pblist) \
-	for (pbe = pblist ; pbe ; pbe = pbe->next)
-
-#define PBES_PER_PAGE      (PAGE_SIZE/sizeof(struct pbe))
-#define PB_PAGE_SKIP       (PBES_PER_PAGE-1)
-
-#define for_each_pb_page(pbe, pblist) \
-	for (pbe = pblist ; pbe ; pbe = (pbe+PB_PAGE_SKIP)->next)
-
-
-#define SWAP_FILENAME_MAXLENGTH	32
-
-
-extern dev_t swsusp_resume_device;
-   
-/* mm/vmscan.c */
-extern int shrink_mem(void);
+};
 
 /* mm/page_alloc.c */
 extern void drain_local_pages(void);
 extern void mark_free_pages(struct zone *zone);
 
-#ifdef CONFIG_PM
-/* kernel/power/swsusp.c */
-extern int software_suspend(void);
-
-#if defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
+#if defined(CONFIG_PM) && defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE)
 extern int pm_prepare_console(void);
 extern void pm_restore_console(void);
 #else
 static inline int pm_prepare_console(void) { return 0; }
 static inline void pm_restore_console(void) {}
-#endif /* defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE) */
-#else
-static inline int software_suspend(void)
-{
-	printk("Warning: fake suspend called\n");
-	return -EPERM;
-}
-#endif /* CONFIG_PM */
+#endif
 
-#ifdef CONFIG_SUSPEND_SMP
-extern void disable_nonboot_cpus(void);
-extern void enable_nonboot_cpus(void);
+#if defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND)
+/* kernel/power/snapshot.c */
+extern void __init register_nosave_region(unsigned long, unsigned long);
+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);
 #else
-static inline void disable_nonboot_cpus(void) {}
-static inline void enable_nonboot_cpus(void) {}
-#endif
+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) {}
+#endif /* defined(CONFIG_PM) && defined(CONFIG_SOFTWARE_SUSPEND) */
 
 void save_processor_state(void);
 void restore_processor_state(void);
 struct saved_context;
 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);
-
-/*
- * XXX: We try to keep some more pages free so that I/O operations succeed
- * without paging. Might this be more?
- */
-#define PAGES_FOR_IO	1024
 
 #endif /* _LINUX_SWSUSP_H */