diff options
| author | Matthew Wilcox (Oracle) <[email protected]> | 2020-08-06 23:19:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-08-07 11:33:23 -0700 |
| commit | 54a75157d97976f35e63e37e31e39bda622cbf39 (patch) | |
| tree | 715ccd81ea430c236687825473b9d6eae9134a8e | |
| parent | 9bdaf2cc5eb570a875c6871ef7bee86a8c5be2d7 (diff) | |
mm/debug: print hashed address of struct page
The actual address of the struct page isn't particularly helpful, while
the hashed address helps match with other messages elsewhere. Add the PFN
that the page refers to in order to help diagnose problems where the page
is improperly aligned for the purpose.
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: John Hubbard <[email protected]>
Acked-by: Mike Rapoport <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: William Kucharski <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/debug.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/debug.c b/mm/debug.c index c4dbe4def83d..8f569db9a514 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -95,17 +95,17 @@ void __dump_page(struct page *page, const char *reason) */ mapcount = PageSlab(head) ? 0 : page_mapcount(page); - pr_warn("page:%px refcount:%d mapcount:%d mapping:%p index:%#lx\n", + pr_warn("page:%p refcount:%d mapcount:%d mapping:%p index:%#lx pfn:%#lx\n", page, page_ref_count(head), mapcount, mapping, - page_to_pgoff(page)); + page_to_pgoff(page), page_to_pfn(page)); if (compound) { if (hpage_pincount_available(page)) { - pr_warn("head:%px order:%u compound_mapcount:%d compound_pincount:%d\n", + pr_warn("head:%p order:%u compound_mapcount:%d compound_pincount:%d\n", head, compound_order(head), compound_mapcount(head), compound_pincount(head)); } else { - pr_warn("head:%px order:%u compound_mapcount:%d\n", + pr_warn("head:%p order:%u compound_mapcount:%d\n", head, compound_order(head), compound_mapcount(head)); } |