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[67.174.241.145]) by smtp.gmail.com with ESMTPSA id t10-20020a1709027fca00b0015f2d549b46sm3866779plb.237.2022.06.02.11.22.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jun 2022 11:22:07 -0700 (PDT) From: Yang Shi To: vbabka@suse.cz, kirill.shutemov@linux.intel.com, akpm@linux-foundation.org Cc: shy828301@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [v2 PATCH 3/7] mm: khugepaged: remove the redundant anon vma check Date: Thu, 2 Jun 2022 11:21:55 -0700 Message-Id: <20220602182159.248387-4-shy828301@gmail.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20220602182159.248387-1-shy828301@gmail.com> References: <20220602182159.248387-1-shy828301@gmail.com> MIME-Version: 1.0 Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=lox+mE5D; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf03.hostedemail.com: domain of shy828301@gmail.com designates 209.85.216.43 as permitted sender) smtp.mailfrom=shy828301@gmail.com X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 8BDA420056 X-Rspam-User: X-Stat-Signature: ctwxshcy51739ua7oxmxk36rs6hu5bue X-HE-Tag: 1654194113-418909 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: The hugepage_vma_check() already checked it, so remove the redundant check. Signed-off-by: Yang Shi --- mm/khugepaged.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/khugepaged.c b/mm/khugepaged.c index d0f8020164fc..7a5d1c1a1833 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -966,9 +966,6 @@ static int hugepage_vma_revalidate(struct mm_struct *mm, unsigned long address, return SCAN_ADDRESS_RANGE; if (!hugepage_vma_check(vma, vma->vm_flags)) return SCAN_VMA_CHECK; - /* Anon VMA expected */ - if (!vma->anon_vma || !vma_is_anonymous(vma)) - return SCAN_VMA_CHECK; return 0; }