Three of the four BUG_ONs in delete_from_swap_cache are immediately
repeated in __delete_from_swap_cache: delete those and add the one.
But perhaps mm/ is altogether overprovisioned with historic BUGs?
Signed-off-by: Hugh Dickins <[email protected]>
---
mm/swap_state.c | 6 +-----
1 files changed, 1 insertion(+), 5 deletions(-)
--- 2.6.13-rc2-mm1/mm/swap_state.c 2005-07-07 12:33:21.000000000 +0100
+++ linux/mm/swap_state.c 2005-07-07 18:40:36.000000000 +0100
@@ -123,6 +123,7 @@ void __delete_from_swap_cache(struct pag
BUG_ON(!PageLocked(page));
BUG_ON(!PageSwapCache(page));
BUG_ON(PageWriteback(page));
+ BUG_ON(PagePrivate(page));
radix_tree_delete(&swapper_space.page_tree, page->private);
page->private = 0;
@@ -195,11 +196,6 @@ void delete_from_swap_cache(struct page
{
swp_entry_t entry;
- BUG_ON(!PageSwapCache(page));
- BUG_ON(!PageLocked(page));
- BUG_ON(PageWriteback(page));
- BUG_ON(PagePrivate(page));
-
entry.val = page->private;
write_lock_irq(&swapper_space.tree_lock);
-
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