[PATCH] pktcdvd: Don't waste kernel memory

[linux-2.6-omap-h63xx.git] / include / linux / suspend.h

diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index ba448c760168a8e48cbb2ab59005095ebd1fb6b2..43bcd13eb1ecbda0047e5db52868589b06a22318 100644 (file)
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -14,11 +14,7 @@
 typedef struct pbe {
        unsigned long address;          /* address of the copy */
        unsigned long orig_address;     /* original address of page */
-       swp_entry_t swap_address;       
-
-       struct pbe *next;       /* also used as scratch space at
-                                * end of page (see link, diskpage)
-                                */
+       struct pbe *next;
 } suspend_pagedir_t;
 
 #define for_each_pbe(pbe, pblist) \
@@ -46,10 +42,6 @@ extern void mark_free_pages(struct zone *zone);
 #ifdef CONFIG_PM
 /* kernel/power/swsusp.c */
 extern int software_suspend(void);
-
-extern int pm_prepare_console(void);
-extern void pm_restore_console(void);
-
 #else
 static inline int software_suspend(void)
 {
@@ -71,7 +63,12 @@ void restore_processor_state(void);
 struct saved_context;
 void __save_processor_state(struct saved_context *ctxt);
 void __restore_processor_state(struct saved_context *ctxt);
-extern unsigned long get_usable_page(gfp_t gfp_mask);
-extern void free_eaten_memory(void);
+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 */