linux-kernel - [PATCH 08/10] hugetlb: remove unneeded SetHPageVmemmapOptimized()

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Date:   Fri, 26 Aug 2022 17:24:20 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>, <mike.kravetz@...cle.com>,
        <songmuchun@...edance.com>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH 08/10] hugetlb: remove unneeded SetHPageVmemmapOptimized()

If code reaches here, it's guaranteed that HPageVmemmapOptimized is set
for the hugetlb page (or VM_BUG_ON_PAGE() will complain about it). It's
unnecessary to set it again.

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
 mm/hugetlb.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 7934188bbed0..b432a00061e3 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1520,7 +1520,6 @@ static void add_hugetlb_page(struct hstate *h, struct page *page,
 
 	set_compound_page_dtor(page, HUGETLB_PAGE_DTOR);
 	set_page_private(page, 0);
-	SetHPageVmemmapOptimized(page);
 
 	/*
 	 * This page is about to be managed by the hugetlb allocator and
-- 
2.23.0