From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f197.google.com (mail-qk0-f197.google.com [209.85.220.197]) by kanga.kvack.org (Postfix) with ESMTP id 533906B04B9 for ; Tue, 8 Aug 2017 04:52:54 -0400 (EDT) Received: by mail-qk0-f197.google.com with SMTP id s18so12893241qks.4 for ; Tue, 08 Aug 2017 01:52:54 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id i6si921353qka.444.2017.08.08.01.52.53 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 Aug 2017 01:52:53 -0700 (PDT) From: Ming Lei Subject: [PATCH v3 35/49] dm-crypt: don't clear bvec->bv_page in crypt_free_buffer_pages() Date: Tue, 8 Aug 2017 16:45:34 +0800 Message-Id: <20170808084548.18963-36-ming.lei@redhat.com> In-Reply-To: <20170808084548.18963-1-ming.lei@redhat.com> References: <20170808084548.18963-1-ming.lei@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Jens Axboe , Christoph Hellwig , Huang Ying , Andrew Morton , Alexander Viro Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, Ming Lei , Mike Snitzer The bio is always freed after running crypt_free_buffer_pages(), so it isn't necessary to clear the bv->bv_page. Cc: Mike Snitzer Cc:dm-devel@redhat.com Signed-off-by: Ming Lei --- drivers/md/dm-crypt.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index cdf6b1e12460..664ba3504f48 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1450,7 +1450,6 @@ static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone) bio_for_each_segment_all(bv, clone, i) { BUG_ON(!bv->bv_page); mempool_free(bv->bv_page, cc->page_pool); - bv->bv_page = NULL; } } -- 2.9.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org