linux-kernel - [PATCH v6 03/51] mm: Print hashed address of struct page

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Date:   Wed, 10 Jun 2020 13:12:57 -0700
From:   Matthew Wilcox <willy@...radead.org>
To:     linux-fsdevel@...r.kernel.org
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH v6 03/51] mm: Print hashed address of struct page

From: "Matthew Wilcox (Oracle)" <willy@...radead.org>

The actual address of the struct page isn't particularly helpful,
while the hashed address helps match with other messages elsewhere.

Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
---
 mm/debug.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/debug.c b/mm/debug.c
index e30e35b41d0e..b17909c16a77 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -86,23 +86,23 @@ void __dump_page(struct page *page, const char *reason)
 
 	if (compound)
 		if (hpage_pincount_available(page)) {
-			pr_warn("page:%px refcount:%d mapcount:%d mapping:%p "
-				"index:%#lx head:%px order:%u "
+			pr_warn("page:%p refcount:%d mapcount:%d mapping:%p "
+				"index:%#lx head:%p order:%u "
 				"compound_mapcount:%d compound_pincount:%d\n",
 				page, page_ref_count(head), mapcount,
 				mapping, page_to_pgoff(page), head,
 				compound_order(head), compound_mapcount(page),
 				compound_pincount(page));
 		} else {
-			pr_warn("page:%px refcount:%d mapcount:%d mapping:%p "
-				"index:%#lx head:%px order:%u "
+			pr_warn("page:%p refcount:%d mapcount:%d mapping:%p "
+				"index:%#lx head:%p order:%u "
 				"compound_mapcount:%d\n",
 				page, page_ref_count(head), mapcount,
 				mapping, page_to_pgoff(page), head,
 				compound_order(head), compound_mapcount(page));
 		}
 	else
-		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\n",
 			page, page_ref_count(page), mapcount,
 			mapping, page_to_pgoff(page));
 	if (PageKsm(page))
-- 
2.26.2