patch-2.4.0-test12 linux/include/linux/mm.h

• Lines: 24
• Date: Mon Dec 11 16:26:39 2000
• Orig file: v2.4.0-test11/linux/include/linux/mm.h
• Orig date: Sun Nov 19 18:44:22 2000

diff -u --recursive --new-file v2.4.0-test11/linux/include/linux/mm.h linux/include/linux/mm.h
@@ -204,7 +204,7 @@
  */
 #define UnlockPage(page)	do { \
 					smp_mb__before_clear_bit(); \
-					clear_bit(PG_locked, &(page)->flags); \
+					if (!test_and_clear_bit(PG_locked, &(page)->flags)) BUG(); \
 					smp_mb__after_clear_bit(); \
 					if (waitqueue_active(&page->wait)) \
 						wake_up(&page->wait); \
@@ -454,11 +454,9 @@
 extern void truncate_inode_pages(struct address_space *, loff_t);
 
 /* generic vm_area_ops exported for stackable file systems */
-extern int filemap_swapout(struct page * page, struct file *file);
-extern int filemap_sync(struct vm_area_struct * vma, unsigned long address,
-			size_t size, unsigned int flags);
-extern struct page *filemap_nopage(struct vm_area_struct * area,
-				    unsigned long address, int no_share);
+extern int filemap_swapout(struct page *, struct file *);
+extern int filemap_sync(struct vm_area_struct *, unsigned long,	size_t, unsigned int);
+extern struct page *filemap_nopage(struct vm_area_struct *, unsigned long, int);
 
 /*
  * GFP bitmasks..