spin_lock_irqsave(&zone->lru_lock, flags);
lruvec = mem_cgroup_page_lruvec(page, zone);
- VM_BUG_ON(!PageLRU(page));
+ VM_BUG_ON_PAGE(!PageLRU(page), page);
__ClearPageLRU(page);
del_page_from_lru_list(page, lruvec, page_off_lru(page));
spin_unlock_irqrestore(&zone->lru_lock, flags);
}
/* __split_huge_page_refcount can run under us */
- page_head = compound_trans_head(page);
+ page_head = compound_head(page);
/*
* THP can not break up slab pages so avoid taking
* __split_huge_page_refcount cannot race
* here.
*/
- VM_BUG_ON(!PageHead(page_head));
- VM_BUG_ON(page_mapcount(page) != 0);
+ VM_BUG_ON_PAGE(!PageHead(page_head), page_head);
+ VM_BUG_ON_PAGE(page_mapcount(page) != 0, page);
if (put_page_testzero(page_head)) {
/*
* If this is the tail of a slab
* the compound page enters the buddy
* allocator.
*/
- VM_BUG_ON(PageSlab(page_head));
+ VM_BUG_ON_PAGE(PageSlab(page_head), page_head);
__put_compound_page(page_head);
}
return;
__put_single_page(page);
return;
}
- VM_BUG_ON(page_head != page->first_page);
+ VM_BUG_ON_PAGE(page_head != page->first_page, page);
/*
* We can release the refcount taken by
* get_page_unless_zero() now that
* compound_lock.
*/
if (put_page_testzero(page_head))
- VM_BUG_ON(1);
+ VM_BUG_ON_PAGE(1, page_head);
/* __split_huge_page_refcount will wait now */
- VM_BUG_ON(page_mapcount(page) <= 0);
+ VM_BUG_ON_PAGE(page_mapcount(page) <= 0, page);
atomic_dec(&page->_mapcount);
- VM_BUG_ON(atomic_read(&page_head->_count) <= 0);
- VM_BUG_ON(atomic_read(&page->_count) != 0);
+ VM_BUG_ON_PAGE(atomic_read(&page_head->_count) <= 0, page_head);
+ VM_BUG_ON_PAGE(atomic_read(&page->_count) != 0, page);
compound_unlock_irqrestore(page_head, flags);
if (put_page_testzero(page_head)) {
}
} else {
/* page_head is a dangling pointer */
- VM_BUG_ON(PageTail(page));
+ VM_BUG_ON_PAGE(PageTail(page), page);
goto out_put_single;
}
}
*/
unsigned long flags;
bool got;
- struct page *page_head = compound_trans_head(page);
+ struct page *page_head = compound_head(page);
/* Ref to put_compound_page() comment. */
if (!__compound_tail_refcounted(page_head)) {
* page. __split_huge_page_refcount
* cannot race here.
*/
- VM_BUG_ON(!PageHead(page_head));
+ VM_BUG_ON_PAGE(!PageHead(page_head), page_head);
__get_page_tail_foll(page, true);
return true;
} else {
*/
void lru_cache_add(struct page *page)
{
- VM_BUG_ON(PageActive(page) && PageUnevictable(page));
- VM_BUG_ON(PageLRU(page));
+ VM_BUG_ON_PAGE(PageActive(page) && PageUnevictable(page), page);
+ VM_BUG_ON_PAGE(PageLRU(page), page);
__lru_cache_add(page);
}
}
lruvec = mem_cgroup_page_lruvec(page, zone);
- VM_BUG_ON(!PageLRU(page));
+ VM_BUG_ON_PAGE(!PageLRU(page), page);
__ClearPageLRU(page);
del_page_from_lru_list(page, lruvec, page_off_lru(page));
}
{
const int file = 0;
- VM_BUG_ON(!PageHead(page));
- VM_BUG_ON(PageCompound(page_tail));
- VM_BUG_ON(PageLRU(page_tail));
+ VM_BUG_ON_PAGE(!PageHead(page), page);
+ VM_BUG_ON_PAGE(PageCompound(page_tail), page);
+ VM_BUG_ON_PAGE(PageLRU(page_tail), page);
VM_BUG_ON(NR_CPUS != 1 &&
!spin_is_locked(&lruvec_zone(lruvec)->lru_lock));
int active = PageActive(page);
enum lru_list lru = page_lru(page);
- VM_BUG_ON(PageLRU(page));
+ VM_BUG_ON_PAGE(PageLRU(page), page);
SetPageLRU(page);
add_page_to_lru_list(page, lruvec, lru);