From patchwork Tue Dec 11 17:57:12 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Burakov, Anatoly" X-Patchwork-Id: 48651 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6E2476904; Tue, 11 Dec 2018 18:57:33 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 61E326833 for ; Tue, 11 Dec 2018 18:57:32 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Dec 2018 09:57:31 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,343,1539673200"; d="scan'208";a="124972238" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga002.fm.intel.com with ESMTP; 11 Dec 2018 09:57:30 -0800 Received: from sivswdev05.ir.intel.com (sivswdev05.ir.intel.com [10.243.17.64]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id wBBHvTcj014327; Tue, 11 Dec 2018 17:57:29 GMT Received: from sivswdev05.ir.intel.com (localhost [127.0.0.1]) by sivswdev05.ir.intel.com with ESMTP id wBBHvTfD024662; Tue, 11 Dec 2018 17:57:29 GMT Received: (from aburakov@localhost) by sivswdev05.ir.intel.com with LOCAL id wBBHvThS024658; Tue, 11 Dec 2018 17:57:29 GMT From: Anatoly Burakov To: dev@dpdk.org Cc: thomas@monjalon.net, jasvinder.singh@intel.com, cristian.dumitrescu@intel.com, jerin.jacob@caviumnetworks.com Date: Tue, 11 Dec 2018 17:57:12 +0000 Message-Id: <82204e76ebc56b7956d0388777aab03fbc4e343a.1544550999.git.anatoly.burakov@intel.com> X-Mailer: git-send-email 1.7.0.7 In-Reply-To: <1cf22c82b6ca7561966be674afb8a02add0913b9.1544550999.git.anatoly.burakov@intel.com> References: <1cf22c82b6ca7561966be674afb8a02add0913b9.1544550999.git.anatoly.burakov@intel.com> In-Reply-To: <1cf22c82b6ca7561966be674afb8a02add0913b9.1544550999.git.anatoly.burakov@intel.com> References: <1cf22c82b6ca7561966be674afb8a02add0913b9.1544550999.git.anatoly.burakov@intel.com> Subject: [dpdk-dev] [PATCH 4/6] memalloc: use library implementation of 64-bit log2 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Remove duplicated code and use library version of 64-bit log2. Signed-off-by: Anatoly Burakov --- lib/librte_eal/linuxapp/eal/eal_memalloc.c | 17 +---------------- 1 file changed, 1 insertion(+), 16 deletions(-) diff --git a/lib/librte_eal/linuxapp/eal/eal_memalloc.c b/lib/librte_eal/linuxapp/eal/eal_memalloc.c index 784939566..6e6af5b06 100644 --- a/lib/librte_eal/linuxapp/eal/eal_memalloc.c +++ b/lib/librte_eal/linuxapp/eal/eal_memalloc.c @@ -208,28 +208,13 @@ get_file_size(int fd) return st.st_size; } -static inline uint32_t -bsf64(uint64_t v) -{ - return (uint32_t)__builtin_ctzll(v); -} - -static inline uint32_t -log2_u64(uint64_t v) -{ - if (v == 0) - return 0; - v = rte_align64pow2(v); - return bsf64(v); -} - static int pagesz_flags(uint64_t page_sz) { /* as per mmap() manpage, all page sizes are log2 of page size * shifted by MAP_HUGE_SHIFT */ - int log2 = log2_u64(page_sz); + int log2 = rte_log2_u64(page_sz); return log2 << RTE_MAP_HUGE_SHIFT; }