From: Ye Liu <liuye@kylinos.cn>
Date: Thu, 20 Mar 2025 06:33:46 +0000 (+0800)
Subject: mm/page_alloc: replace flag check with PageHWPoison() in check_new_page_bad()
X-Git-Tag: v6.15-rc1~38^2~26
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd145bdd26c6845b5403d47b3b094bb5d020c6ef;p=thirdparty%2Fkernel%2Fstable.git

mm/page_alloc: replace flag check with PageHWPoison() in check_new_page_bad()

This patch replaces the direct check for the __PG_HWPOISON flag with the
PageHWPoison() macro, improving code readability and maintaining
consistency with other parts of the memory management code.

Link: https://lkml.kernel.org/r/20250320063346.489030-1-ye.liu@linux.dev
Signed-off-by: Ye Liu <liuye@kylinos.cn>
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 37d111184eeeb..e892a55b471cd 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1593,7 +1593,7 @@ static __always_inline void page_del_and_expand(struct zone *zone,
 
 static void check_new_page_bad(struct page *page)
 {
-	if (unlikely(page->flags & __PG_HWPOISON)) {
+	if (unlikely(PageHWPoison(page))) {
 		/* Don't complain about hwpoisoned pages */
 		if (PageBuddy(page))
 			__ClearPageBuddy(page);