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author | David S. Miller <davem@davemloft.net> | 2016-09-23 06:46:57 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2016-09-23 06:46:57 -0400 |
commit | d6989d4bbe6c4d1c2a76696833a07f044e85694d (patch) | |
tree | 2d9a70d0feee4d4a20568be1b39a961fa0d27d81 /mm/debug.c | |
parent | 0364a8824c020f12e2d5e9fad963685b58f7574e (diff) | |
parent | b1f2beb87bb034bb209773807994279f90cace78 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
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[] = { void __dump_page(struct page *page, const char *reason) { + int mapcount = PageSlab(page) ? 0 : page_mapcount(page); + pr_emerg("page:%p count:%d mapcount:%d mapping:%p index:%#lx", - page, page_ref_count(page), page_mapcount(page), - page->mapping, page->index); + page, page_ref_count(page), mapcount, + page->mapping, page_to_pgoff(page)); if (PageCompound(page)) pr_cont(" compound_mapcount: %d", compound_mapcount(page)); pr_cont("\n"); |