diff options
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index 612a7c9795f6..c6c13b050a58 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -616,7 +616,7 @@ scan: } } offset = si->lowest_bit; - while (++offset < scan_base) { + while (offset < scan_base) { if (!si->swap_map[offset]) { spin_lock(&si->lock); goto checks; @@ -629,6 +629,7 @@ scan: cond_resched(); latency_ration = LATENCY_LIMIT; } + offset++; } spin_lock(&si->lock); @@ -906,7 +907,7 @@ int reuse_swap_page(struct page *page) { int count; - VM_BUG_ON(!PageLocked(page)); + VM_BUG_ON_PAGE(!PageLocked(page), page); if (unlikely(PageKsm(page))) return 0; count = page_mapcount(page); @@ -926,7 +927,7 @@ int reuse_swap_page(struct page *page) */ int try_to_free_swap(struct page *page) { - VM_BUG_ON(!PageLocked(page)); + VM_BUG_ON_PAGE(!PageLocked(page), page); if (!PageSwapCache(page)) return 0; @@ -2714,7 +2715,7 @@ struct swap_info_struct *page_swap_info(struct page *page) */ struct address_space *__page_file_mapping(struct page *page) { - VM_BUG_ON(!PageSwapCache(page)); + VM_BUG_ON_PAGE(!PageSwapCache(page), page); return page_swap_info(page)->swap_file->f_mapping; } EXPORT_SYMBOL_GPL(__page_file_mapping); @@ -2722,7 +2723,7 @@ EXPORT_SYMBOL_GPL(__page_file_mapping); pgoff_t __page_file_index(struct page *page) { swp_entry_t swap = { .val = page_private(page) }; - VM_BUG_ON(!PageSwapCache(page)); + VM_BUG_ON_PAGE(!PageSwapCache(page), page); return swp_offset(swap); } EXPORT_SYMBOL_GPL(__page_file_index); |