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Fri, 20 Nov 2020 04:28:55 -0500 X-MC-Unique: qqn5Z1YiOUSELYr-8soHaQ-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4DEDF873163; Fri, 20 Nov 2020 09:28:54 +0000 (UTC) Received: from [10.36.114.78] (ovpn-114-78.ams2.redhat.com [10.36.114.78]) by smtp.corp.redhat.com (Postfix) with ESMTP id 42CF85D9C6; Fri, 20 Nov 2020 09:28:53 +0000 (UTC) Subject: Re: [PATCH] mm,hugetlb: Remove unneded initialization To: Oscar Salvador , akpm@linux-foundation.org Cc: mike.kravetz@oracle.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20201119112141.6452-1-osalvador@suse.de> From: David Hildenbrand Organization: Red Hat GmbH Message-ID: Date: Fri, 20 Nov 2020 10:28:52 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20201119112141.6452-1-osalvador@suse.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 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: On 19.11.20 12:21, Oscar Salvador wrote: > hugetlb_add_hstate initializes nr_huge_pages and free_huge_pages to 0, > but since hstates[] is a global variable, all its fields are defined to > 0 already. > > Signed-off-by: Oscar Salvador > --- > mm/hugetlb.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/mm/hugetlb.c b/mm/hugetlb.c > index 37f15c3c24dc..1c69e9044887 100644 > --- a/mm/hugetlb.c > +++ b/mm/hugetlb.c > @@ -3197,8 +3197,6 @@ void __init hugetlb_add_hstate(unsigned int order) > h = &hstates[hugetlb_max_hstate++]; > h->order = order; > h->mask = ~((1ULL << (order + PAGE_SHIFT)) - 1); > - h->nr_huge_pages = 0; > - h->free_huge_pages = 0; > for (i = 0; i < MAX_NUMNODES; ++i) > INIT_LIST_HEAD(&h->hugepage_freelists[i]); > INIT_LIST_HEAD(&h->hugepage_activelist); > Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb