diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1997-04-29 21:13:14 +0000 |
|---|---|---|
| committer | <ralf@linux-mips.org> | 1997-04-29 21:13:14 +0000 |
| commit | 19c9bba94152148523ba0f7ef7cffe3d45656b11 (patch) | |
| tree | 40b1cb534496a7f1ca0f5c314a523c69f1fee464 /include/linux/mm.h | |
| parent | 7206675c40394c78a90e74812bbdbf8cf3cca1be (diff) | |
Import of Linux/MIPS 2.1.36
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 6af5f2401..9572b3415 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -10,6 +10,7 @@ #include <linux/string.h> extern unsigned long max_mapnr; +extern unsigned long num_physpages; extern void * high_memory; #include <asm/page.h> @@ -74,6 +75,7 @@ struct vm_area_struct { #define VM_EXECUTABLE 0x1000 #define VM_LOCKED 0x2000 +#define VM_IO 0x4000 /* Memory mapped I/O or similar */ #define VM_STACK_FLAGS 0x0177 @@ -123,7 +125,7 @@ typedef struct page { unsigned dirty:16, age:8; struct wait_queue *wait; - struct page *prev_hash; + struct page **pprev_hash; struct buffer_head * buffers; unsigned long swap_unlock_entry; unsigned long map_nr; /* page->map_nr == page - mem_map */ @@ -255,7 +257,7 @@ extern void clear_page_tables(struct task_struct * tsk); extern int new_page_tables(struct task_struct * tsk); extern int copy_page_tables(struct task_struct * to); -extern int zap_page_range(struct mm_struct *mm, unsigned long address, unsigned long size); +extern void zap_page_range(struct mm_struct *mm, unsigned long address, unsigned long size); extern int copy_page_range(struct mm_struct *dst, struct mm_struct *src, struct vm_area_struct *vma); extern int remap_page_range(unsigned long from, unsigned long to, unsigned long size, pgprot_t prot); extern int zeromap_page_range(unsigned long from, unsigned long size, pgprot_t prot); @@ -272,6 +274,7 @@ extern void oom(struct task_struct * tsk); extern void si_meminfo(struct sysinfo * val); /* mmap.c */ +extern void vma_init(void); extern unsigned long do_mmap(struct file * file, unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long off); extern void merge_segments(struct mm_struct *, unsigned long, unsigned long); |