linux-kernel - [PATCH] mm/hugetlb: Remove obsolete comment in vma_has

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Message-ID: <20210204111500.24111-1-linmiaohe@huawei.com>
Date:   Thu, 4 Feb 2021 06:15:00 -0500
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>, <mike.kravetz@...cle.com>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
        <linmiaohe@...wei.com>
Subject: [PATCH] mm/hugetlb: Remove obsolete comment in vma_has_reserves()

Shared mappings are allowed to be created without reservations since
commit c37f9fb11c97 ("hugetlb: allow huge page mappings to be created
without reservations"). Remove this obsolete comment which may cause
confusing.

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 9501ec6ad517..cf82629319ed 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -998,7 +998,6 @@ static bool vma_has_reserves(struct vm_area_struct *vma, long chg)
 			return false;
 	}
 
-	/* Shared mappings always use reserves */
 	if (vma->vm_flags & VM_MAYSHARE) {
 		/*
 		 * We know VM_NORESERVE is not set.  Therefore, there SHOULD
-- 
2.19.1