x86: fix asm/e820.h for userspace inclusion

[linux-2.6-omap-h63xx.git] / include / asm-x86 / e820.h

diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h
index 13fa5a076aa252c9e049ae73c48e69040d303e1b..06633b01dd5b73685d3bcb0698ffe8442fc5f88b 100644 (file)
--- a/include/asm-x86/e820.h
+++ b/include/asm-x86/e820.h
@@ -44,6 +44,9 @@
 #define E820_ACPI      3
 #define E820_NVS       4
 
+/* reserved RAM used by kernel itself */
+#define E820_RESERVED_KERN        128
+
 #ifndef __ASSEMBLY__
 struct e820entry {
        __u64 addr;     /* start of memory segment */
@@ -56,7 +59,10 @@ struct e820map {
        struct e820entry map[E820_X_MAX];
 };
 
+#ifdef __KERNEL__
+/* see comment in arch/x86/kernel/e820.c */
 extern struct e820map e820;
+extern struct e820map e820_saved;
 
 extern int e820_any_mapped(u64 start, u64 end, unsigned type);
 extern int e820_all_mapped(u64 start, u64 end, unsigned type);
@@ -64,13 +70,14 @@ extern void e820_add_region(u64 start, u64 size, int type);
 extern void e820_print_map(char *who);
 extern int
 sanitize_e820_map(struct e820entry *biosmap, int max_nr_map, int *pnr_map);
-extern int copy_e820_map(struct e820entry *biosmap, int nr_map);
 extern u64 e820_update_range(u64 start, u64 size, unsigned old_type,
                               unsigned new_type);
 extern u64 e820_remove_range(u64 start, u64 size, unsigned old_type,
                             int checktype);
 extern void update_e820(void);
 extern void e820_setup_gap(void);
+extern int e820_search_gap(unsigned long *gapstart, unsigned long *gapsize,
+                       unsigned long start_addr, unsigned long long end_addr);
 struct setup_data;
 extern void parse_e820_ext(struct setup_data *data, unsigned long pa_data);
 
@@ -93,7 +100,8 @@ extern void free_early(u64 start, u64 end);
 extern void early_res_to_bootmem(u64 start, u64 end);
 extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align);
 
-extern unsigned long e820_end_of_ram(void);
+extern unsigned long e820_end_of_ram_pfn(void);
+extern unsigned long e820_end_of_low_ram_pfn(void);
 extern int e820_find_active_region(const struct e820entry *ei,
                                  unsigned long start_pfn,
                                  unsigned long last_pfn,
@@ -108,7 +116,7 @@ extern void setup_memory_map(void);
 extern char *default_machine_specific_memory_setup(void);
 extern char *machine_specific_memory_setup(void);
 extern char *memory_setup(void);
-
+#endif /* __KERNEL__ */
 #endif /* __ASSEMBLY__ */
 
 #define ISA_START_ADDRESS      0xa0000