mm: dump page when hitting a VM_BUG_ON using VM_BUG_ON_PAGE

[karo-tx-linux.git] / mm / swap_state.c

diff --git a/mm/swap_state.c b/mm/swap_state.c
index e6f15f8ca2af339ce9e90159bae0e6a800f06819..98e85e9c2b2dcd080d7efdc4bfb7521eac0d0b38 100644 (file)
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -83,9 +83,9 @@ int __add_to_swap_cache(struct page *page, swp_entry_t entry)
        int error;
        struct address_space *address_space;
 
-       VM_BUG_ON(!PageLocked(page));
-       VM_BUG_ON(PageSwapCache(page));
-       VM_BUG_ON(!PageSwapBacked(page));
+       VM_BUG_ON_PAGE(!PageLocked(page), page);
+       VM_BUG_ON_PAGE(PageSwapCache(page), page);
+       VM_BUG_ON_PAGE(!PageSwapBacked(page), page);
 
        page_cache_get(page);
        SetPageSwapCache(page);
@@ -139,9 +139,9 @@ void __delete_from_swap_cache(struct page *page)
        swp_entry_t entry;
        struct address_space *address_space;
 
-       VM_BUG_ON(!PageLocked(page));
-       VM_BUG_ON(!PageSwapCache(page));
-       VM_BUG_ON(PageWriteback(page));
+       VM_BUG_ON_PAGE(!PageLocked(page), page);
+       VM_BUG_ON_PAGE(!PageSwapCache(page), page);
+       VM_BUG_ON_PAGE(PageWriteback(page), page);
 
        entry.val = page_private(page);
        address_space = swap_address_space(entry);
@@ -165,8 +165,8 @@ int add_to_swap(struct page *page, struct list_head *list)
        swp_entry_t entry;
        int err;
 
-       VM_BUG_ON(!PageLocked(page));
-       VM_BUG_ON(!PageUptodate(page));
+       VM_BUG_ON_PAGE(!PageLocked(page), page);
+       VM_BUG_ON_PAGE(!PageUptodate(page), page);
 
        entry = get_swap_page();
        if (!entry.val)