diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 418102a..62b9509 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -105,11 +105,13 @@ static void bad_page(const char *function, struct page *page) printk(KERN_EMERG "Backtrace:\n"); dump_stack(); printk(KERN_EMERG "Trying to fix it up, but a reboot is needed\n"); - page->flags &= ~(1 << PG_private | + page->flags &= ~(1 << PG_lru | + 1 << PG_private | 1 << PG_locked | - 1 << PG_lru | 1 << PG_active | 1 << PG_dirty | + 1 << PG_reclaim | + 1 << PG_slab | 1 << PG_swapcache | 1 << PG_writeback); set_page_count(page, 0); @@ -440,14 +442,17 @@ void set_page_refs(struct page *page, int order) */ static void prep_new_page(struct page *page, int order) { - if (page->mapping || page_mapcount(page) || - (page->flags & ( + if ( page_mapcount(page) || + page->mapping != NULL || + page_count(page) != 0 || + (page->flags & ( + 1 << PG_lru | 1 << PG_private | 1 << PG_locked | - 1 << PG_lru | 1 << PG_active | 1 << PG_dirty | 1 << PG_reclaim | + 1 << PG_slab | 1 << PG_swapcache | 1 << PG_writeback ))) bad_page(__FUNCTION__, page); |