diff options
Diffstat (limited to 'mm/debug.c')
-rw-r--r-- | mm/debug.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/debug.c b/mm/debug.c index 8865bfb41b0b..74c7cae4f683 100644 --- a/mm/debug.c +++ b/mm/debug.c | |||
@@ -42,9 +42,11 @@ const struct trace_print_flags vmaflag_names[] = { | |||
42 | 42 | ||
43 | void __dump_page(struct page *page, const char *reason) | 43 | void __dump_page(struct page *page, const char *reason) |
44 | { | 44 | { |
45 | int mapcount = PageSlab(page) ? 0 : page_mapcount(page); | ||
46 | |||
45 | pr_emerg("page:%p count:%d mapcount:%d mapping:%p index:%#lx", | 47 | pr_emerg("page:%p count:%d mapcount:%d mapping:%p index:%#lx", |
46 | page, page_ref_count(page), page_mapcount(page), | 48 | page, page_ref_count(page), mapcount, |
47 | page->mapping, page->index); | 49 | page->mapping, page_to_pgoff(page)); |
48 | if (PageCompound(page)) | 50 | if (PageCompound(page)) |
49 | pr_cont(" compound_mapcount: %d", compound_mapcount(page)); | 51 | pr_cont(" compound_mapcount: %d", compound_mapcount(page)); |
50 | pr_cont("\n"); | 52 | pr_cont("\n"); |