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[PATCH] Exterminate PAGE_BUG

Browse source 
Remove PAGE_BUG - repalce it with BUG and BUG_ON.

Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Matt Mackall 2005-05-01 08:59:01 -07:00 committed by Linus Torvalds
parent c8538a7aa5
commit cd7619d6bf
10 changed files with 10 additions and 37 deletions
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6
arch/arm26/mm/small_page.c
View file

@ -92,8 +92,7 @@ static unsigned long __get_small_page(int priority, struct order *order)
page = list_entry(order->queue.next, struct page, lru);
again:
#ifdef PEDANTIC
if (USED_MAP(page) & ~order->all_used)
PAGE_BUG(page);
BUG_ON(USED_MAP(page) & ~order->all_used);
#endif
offset = ffz(USED_MAP(page));
SET_USED(page, offset);
@ -141,8 +140,7 @@ static void __free_small_page(unsigned long spage, struct order *order)
goto non_small;
#ifdef PEDANTIC
if (USED_MAP(page) & ~order->all_used)
PAGE_BUG(page);
BUG_ON(USED_MAP(page) & ~order->all_used);
#endif
spage = spage >> order->shift;

3
fs/afs/file.c
View file

@ -131,8 +131,7 @@ static int afs_file_readpage(struct file *file, struct page *page)
vnode = AFS_FS_I(inode);
if (!PageLocked(page))
PAGE_BUG(page);
BUG_ON(!PageLocked(page));
ret = -ESTALE;
if (vnode->flags & AFS_VNODE_DELETED)

3
fs/buffer.c
View file

@ -2078,8 +2078,7 @@ int block_read_full_page(struct page *page, get_block_t *get_block)
int nr, i;
int fully_mapped = 1;
if (!PageLocked(page))
PAGE_BUG(page);
BUG_ON(!PageLocked(page));
blocksize = 1 << inode->i_blkbits;
if (!page_has_buffers(page))
create_empty_buffers(page, blocksize, 0);

3
fs/jffs2/file.c
View file

@ -79,8 +79,7 @@ static int jffs2_do_readpage_nolock (struct inode *inode, struct page *pg)
D2(printk(KERN_DEBUG "jffs2_do_readpage_nolock(): ino #%lu, page at offset 0x%lx\n", inode->i_ino, pg->index << PAGE_CACHE_SHIFT));
if (!PageLocked(pg))
PAGE_BUG(pg);
BUG_ON(!PageLocked(pg));
pg_buf = kmap(pg);
/* FIXME: Can kmap fail? */

6
fs/udf/file.c
View file

@ -49,8 +49,7 @@ static int udf_adinicb_readpage(struct file *file, struct page * page)
struct inode *inode = page->mapping->host;
char *kaddr;
if (!PageLocked(page))
PAGE_BUG(page);
BUG_ON(!PageLocked(page));
kaddr = kmap(page);
memset(kaddr, 0, PAGE_CACHE_SIZE);
@ -67,8 +66,7 @@ static int udf_adinicb_writepage(struct page *page, struct writeback_control *wb
struct inode *inode = page->mapping->host;
char *kaddr;
if (!PageLocked(page))
PAGE_BUG(page);
BUG_ON(!PageLocked(page));
kaddr = kmap(page);
memcpy(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), kaddr, inode->i_size);

4
fs/udf/inode.c
View file

@ -167,8 +167,8 @@ void udf_expand_file_adinicb(struct inode * inode, int newsize, int * err)
}
page = grab_cache_page(inode->i_mapping, 0);
if (!PageLocked(page))
PAGE_BUG(page);
BUG_ON(!PageLocked(page));
if (!PageUptodate(page))
{
kaddr = kmap(page);

4
include/asm-cris/page.h
View file

@ -77,10 +77,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
} while (0)
#define PAGE_BUG(page) do { \
BUG(); \
} while (0)
/* Pure 2^n version of get_order */
static inline int get_order(unsigned long size)
{

11
include/asm-generic/bug.h
View file

@ -12,13 +12,6 @@
} while (0)
#endif
#ifndef HAVE_ARCH_PAGE_BUG
#define PAGE_BUG(page) do { \
printk("page BUG for page at %p\n", page); \
BUG(); \
} while (0)
#endif
#ifndef HAVE_ARCH_BUG_ON
#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
#endif
@ -37,10 +30,6 @@
#define BUG()
#endif
#ifndef HAVE_ARCH_PAGE_BUG
#define PAGE_BUG(page) do { if (page) ; } while (0)
#endif
#ifndef HAVE_ARCH_BUG_ON
#define BUG_ON(condition) do { if (condition) ; } while(0)
#endif

4
include/asm-sh64/bug.h
View file

@ -17,10 +17,6 @@
BUG(); \
} while(0)
#define PAGE_BUG(page) do { \
BUG(); \
} while (0)
#define WARN_ON(condition) do { \
if (unlikely((condition)!=0)) { \
printk("Badness in %s at %s:%d\n", __FUNCTION__, __FILE__, __LINE__); \

3
mm/filemap.c
View file

@ -123,8 +123,7 @@ void remove_from_page_cache(struct page *page)
{
struct address_space *mapping = page->mapping;
if (unlikely(!PageLocked(page)))
PAGE_BUG(page);
BUG_ON(!PageLocked(page));
write_lock_irq(&mapping->tree_lock);
__remove_from_page_cache(page);