diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1994-12-01 08:00:00 +0000 |
|---|---|---|
| committer | <ralf@linux-mips.org> | 1994-12-01 08:00:00 +0000 |
| commit | 90ecc248e200fee448001248dde0ca540dd3ef64 (patch) | |
| tree | a3fe89494ce63b4835f0f9cf5c45e74cde88252b /include/linux/mm.h | |
| parent | 1513ff9b7899ab588401c89db0e99903dbf5f886 (diff) | |
Import of Linux/MIPS 1.1.68
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 68 |
1 files changed, 7 insertions, 61 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index e2128f033..d1f1b3a98 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -6,6 +6,7 @@ #include <linux/sched.h> #include <linux/errno.h> #include <linux/kernel.h> +#include <linux/string.h> #define VERIFY_READ 0 #define VERIFY_WRITE 1 @@ -142,10 +143,8 @@ extern inline unsigned long get_free_page(int priority) page = __get_free_page(priority); if (page) - __asm__ __volatile__("rep ; stosl" - : /* no outputs */ \ - :"a" (0),"c" (1024),"D" (page) - :"di","cx"); + memset((void *)page, 0, 4096); + return page; } @@ -172,8 +171,6 @@ extern void do_no_page(struct vm_area_struct * vma, unsigned long address, unsigned long error_code); extern unsigned long paging_init(unsigned long start_mem, unsigned long end_mem); -extern void mem_init(unsigned long low_start_mem, - unsigned long start_mem, unsigned long end_mem); extern void show_mem(void); extern void oom(struct task_struct * task); extern void si_meminfo(struct sysinfo * val); @@ -212,21 +209,6 @@ extern unsigned long high_memory; extern unsigned short * mem_map; -#define PAGE_PRESENT 0x001 -#define PAGE_RW 0x002 -#define PAGE_USER 0x004 -#define PAGE_PWT 0x008 /* 486 only - not used currently */ -#define PAGE_PCD 0x010 /* 486 only - not used currently */ -#define PAGE_ACCESSED 0x020 -#define PAGE_DIRTY 0x040 -#define PAGE_COW 0x200 /* implemented in software (one of the AVL bits) */ - -#define PAGE_PRIVATE (PAGE_PRESENT | PAGE_RW | PAGE_USER | PAGE_ACCESSED | PAGE_COW) -#define PAGE_SHARED (PAGE_PRESENT | PAGE_RW | PAGE_USER | PAGE_ACCESSED) -#define PAGE_COPY (PAGE_PRESENT | PAGE_USER | PAGE_ACCESSED | PAGE_COW) -#define PAGE_READONLY (PAGE_PRESENT | PAGE_USER | PAGE_ACCESSED) -#define PAGE_TABLE (PAGE_PRESENT | PAGE_RW | PAGE_USER | PAGE_ACCESSED) - #define GFP_BUFFER 0x00 #define GFP_ATOMIC 0x01 #define GFP_USER 0x02 @@ -268,46 +250,10 @@ extern inline unsigned long in_swap_cache(unsigned long addr) return swap_cache[addr >> PAGE_SHIFT]; } -extern inline long find_in_swap_cache (unsigned long addr) -{ - unsigned long entry; - -#ifdef SWAP_CACHE_INFO - swap_cache_find_total++; -#endif - __asm__ __volatile__("xchgl %0,%1" - :"=m" (swap_cache[addr >> PAGE_SHIFT]), - "=r" (entry) - :"0" (swap_cache[addr >> PAGE_SHIFT]), - "1" (0)); -#ifdef SWAP_CACHE_INFO - if (entry) - swap_cache_find_success++; -#endif - return entry; -} - -extern inline int delete_from_swap_cache(unsigned long addr) -{ - unsigned long entry; - -#ifdef SWAP_CACHE_INFO - swap_cache_del_total++; -#endif - __asm__ __volatile__("xchgl %0,%1" - :"=m" (swap_cache[addr >> PAGE_SHIFT]), - "=r" (entry) - :"0" (swap_cache[addr >> PAGE_SHIFT]), - "1" (0)); - if (entry) { -#ifdef SWAP_CACHE_INFO - swap_cache_del_success++; -#endif - swap_free(entry); - return 1; - } - return 0; -} +/* + * Include machine dependend stuff + */ +#include <asm/mm.h> #endif /* __KERNEL__ */ |