patch-2.3.11 linux/include/linux/mm.h

• Lines: 40
• Date: Wed Jul 21 14:52:49 1999
• Orig file: v2.3.10/linux/include/linux/mm.h
• Orig date: Thu Jul 8 15:42:21 1999

diff -u --recursive --new-file v2.3.10/linux/include/linux/mm.h linux/include/linux/mm.h
@@ -128,7 +128,7 @@
 	wait_queue_head_t wait;
 	struct page **pprev_hash;
 	struct buffer_head * buffers;
-	int owner; /* temporary debugging check */
+	void *owner; /* temporary debugging check */
 } mem_map_t;
 
 #define get_page(p) do { atomic_inc(&(p)->count); \
@@ -167,11 +167,11 @@
 	do { int _ret = test_and_set_bit(PG_locked, &(page)->flags); \
 	if (_ret) PAGE_BUG(page); \
 	if (page->owner) PAGE_BUG(page); \
-	page->owner = (int)current; } while (0)
+	page->owner = current; } while (0)
 #define TryLockPage(page)	({ int _ret = test_and_set_bit(PG_locked, &(page)->flags); \
-				if (!_ret) page->owner = (int)current; _ret; })
+				if (!_ret) page->owner = current; _ret; })
 #define UnlockPage(page)	do { \
-					if (page->owner != (int)current) { \
+					if (page->owner != current) { \
 BUG(); } page->owner = 0; \
 if (!test_and_clear_bit(PG_locked, &(page)->flags)) { \
 			PAGE_BUG(page); } wake_up(&page->wait); } while (0)
@@ -306,7 +306,6 @@
 
 extern void free_page_tables(struct mm_struct * mm);
 extern void clear_page_tables(struct mm_struct *, unsigned long, int);
-extern int new_page_tables(struct task_struct * tsk);
 
 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);
@@ -328,6 +327,7 @@
 extern void show_mem(void);
 extern void oom(struct task_struct * tsk);
 extern void si_meminfo(struct sysinfo * val);
+extern void swapin_readahead(unsigned long);
 
 /* mmap.c */
 extern void vma_init(void);