diff options
Diffstat (limited to 'mm/debug.c')
| -rw-r--r-- | mm/debug.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/debug.c b/mm/debug.c index 03c9a13f9f6a..f05b2d5d6481 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -79,9 +79,12 @@ static void dump_flags(unsigned long flags, void dump_page_badflags(struct page *page, const char *reason, unsigned long badflags) { - pr_emerg("page:%p count:%d mapcount:%d mapping:%p index:%#lx\n", + pr_emerg("page:%p count:%d mapcount:%d mapping:%p index:%#lx", page, atomic_read(&page->_count), page_mapcount(page), page->mapping, page->index); + if (PageCompound(page)) + pr_cont(" compound_mapcount: %d", compound_mapcount(page)); + pr_cont("\n"); BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) != __NR_PAGEFLAGS); dump_flags(page->flags, pageflag_names, ARRAY_SIZE(pageflag_names)); if (reason) |