[PATCH v2 1/7] fs/proc/page: remove unneeded PageTail && PageSlab check

From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: <linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
	Matthew Wilcox <willy@infradead.org>,
	David Hildenbrand <david@redhat.com>,
	Gregory Price <gregory.price@memverge.com>,
	Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH v2 1/7] fs/proc/page: remove unneeded PageTail && PageSlab check
Date: Fri, 10 Nov 2023 11:33:18 +0800	[thread overview]
Message-ID: <20231110033324.2455523-2-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20231110033324.2455523-1-wangkefeng.wang@huawei.com>

After commit dcb351cd095a ("page-flags: define behavior SL*B-related
flags on compound pages"), the slab could not be a tail, remove unneeded
PageTail && PageSlab check.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 fs/proc/page.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/proc/page.c b/fs/proc/page.c
index 195b077c0fac..466efb0dadf7 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -184,9 +184,6 @@ u64 stable_page_flags(struct page *page)
 	u |= kpf_copy_bit(k, KPF_LOCKED,	PG_locked);
 
 	u |= kpf_copy_bit(k, KPF_SLAB,		PG_slab);
-	if (PageTail(page) && PageSlab(page))
-		u |= 1 << KPF_SLAB;
-
 	u |= kpf_copy_bit(k, KPF_ERROR,		PG_error);
 	u |= kpf_copy_bit(k, KPF_DIRTY,		PG_dirty);
 	u |= kpf_copy_bit(k, KPF_UPTODATE,	PG_uptodate);
-- 
2.27.0

