diff options
| author | Andrew Morton <akpm@osdl.org> | 2004-05-22 08:08:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-05-22 08:08:33 -0700 |
| commit | d321a42d00053e526cf06816fe505907af456e80 (patch) | |
| tree | 25575d598d4c285b3bd70d0bcc8d3ebeea9724cd /mm | |
| parent | c3a17613880a6e99a120a406d9312581d7498890 (diff) | |
| download | history-d321a42d00053e526cf06816fe505907af456e80.tar.gz | |
[PATCH] rmap 30 fix bad mapcount
From: Hugh Dickins <hugh@veritas.com>
From: Andrea Arcangeli <andrea@suse.de>
page_alloc.c's bad_page routine should reset a bad mapcount; and it's more
revealing to show the bad mapcount than just the boolean mapped.
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 86c00e43b51939..5769a391d4e397 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -73,9 +73,9 @@ static void bad_page(const char *function, struct page *page) { printk(KERN_EMERG "Bad page state at %s (in process '%s', page %p)\n", function, current->comm, page); - printk(KERN_EMERG "flags:0x%08lx mapping:%p mapped:%d count:%d\n", + printk(KERN_EMERG "flags:0x%08lx mapping:%p mapcount:%d count:%d\n", (unsigned long)page->flags, page->mapping, - page_mapped(page), page_count(page)); + (int)page->mapcount, page_count(page)); printk(KERN_EMERG "Backtrace:\n"); dump_stack(); printk(KERN_EMERG "Trying to fix it up, but a reboot is needed\n"); @@ -90,6 +90,7 @@ static void bad_page(const char *function, struct page *page) 1 << PG_writeback); set_page_count(page, 0); page->mapping = NULL; + page->mapcount = 0; } #ifndef CONFIG_HUGETLB_PAGE |