mm: dump page when hitting a VM_BUG_ON using VM_BUG_ON_PAGE

[platform/adaptation/renesas_rcar/renesas_kernel.git] / mm / swapfile.c

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 612a7c9..d443dea 100644 (file)
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -906,7 +906,7 @@ 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 +926,7 @@ 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 +2714,7 @@ 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 +2722,7 @@ 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);