From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-x22c.google.com (mail-lj1-x22c.google.com [IPv6:2a00:1450:4864:20::22c]) by sourceware.org (Postfix) with ESMTPS id 35176385781F for ; Sat, 18 Feb 2023 20:37:42 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 35176385781F Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-lj1-x22c.google.com with SMTP id r10so1439921ljd.11 for ; Sat, 18 Feb 2023 12:37:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=PZBvDveOgz89+9l6nW/zV0+NWazzuo38cjCulrm1nz4=; b=DlZ3y5uIWU+v2IF3c2ShsF91n4T20TBBMXC9L+kfhI9vScfwfOCde47hE1PAy+WsHW D7JBA+1FS/8hR99kgec2pyj75zc3ORJqY6euI00bbp8lmHKNvo3Z96Q4pWg0N3B1yurf y3qg4q8lTGWyWdRbnVu1gggGJfUNEIoTgcpaAUmtC5wnbYRZkuz8SvdOfKJpsA54UN0Y A8o0GlWH5KYD81F2HgzVeSBeUDoB2K9CHzMSMlShC7sA7K87A38wy+Q1P/oejFUhEWM0 EUPZh8IOZ2PKrXD8rvEFEGQ+YD1XcH7BlUs884IHvYrAkp074WuHujjcS0O3IS216/iE i36A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=PZBvDveOgz89+9l6nW/zV0+NWazzuo38cjCulrm1nz4=; b=7QnWT82PMMo/4ARzsdmKI52auuQbL4yhICUIkutRCieLOKIM29KHtJCG73NrimIaLb MAc1od8I4PcPrIFPIqvvWIjlNVG/ggDAYYV4wlMEP7rRDHsq1qsdc117ub0VoDTlYHHx adHPmy/VVGhbyk7rLLcdu4ibz2kPVMKLiP2A5jdA85O0gZakfxPQ6c3f5KnuDcVMMQPi u27cYafMKIjrhhrFxjF/UoZOnj7QHugEedZbfBnUwsNyt2Yi1G3Md2JoTOyxhShiU/Qb E/QN8FQ26dZ0XBtubE1wBlYbIjEOS+DjebBQkQPa2/8nfiENlejpx5QI4Wg+LbdkGe6a Xs5w== X-Gm-Message-State: AO0yUKVkpoSd2vQuTHfAVnQD20DJ4ECAPVs0SrZ95kuWnsU9n7UnYhlw sfMNVKk7J2U4xJRq8A95Lf0frDaAV2KNVQ== X-Google-Smtp-Source: AK7set9TpRzh56TJ2NkMXp4xxKxyX+0snHbpT8wK0spxiAN4yXZhpGVs/L3dhQ4VEpodWFojj48+Kg== X-Received: by 2002:a2e:b557:0:b0:293:4ffa:a697 with SMTP id a23-20020a2eb557000000b002934ffaa697mr1195452ljn.16.1676752660776; Sat, 18 Feb 2023 12:37:40 -0800 (PST) Received: from surface-pro-6.. ([2a00:1370:818c:4a57:e4a7:ca9:e8d7:4ead]) by smtp.gmail.com with ESMTPSA id u15-20020a05651c130f00b002934febffe4sm1004049lja.128.2023.02.18.12.37.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Feb 2023 12:37:39 -0800 (PST) From: Sergey Bugaev To: bug-hurd@gnu.org, libc-alpha@sourceware.org Cc: =?UTF-8?q?Fl=C3=A1vio=20Cruz?= , Sergey Bugaev Subject: [RFC PATCH 6/9] mach: Use PAGE_SIZE Date: Sat, 18 Feb 2023 23:37:14 +0300 Message-Id: <20230218203717.373211-7-bugaevc@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230218203717.373211-1-bugaevc@gmail.com> References: <20230218203717.373211-1-bugaevc@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-11.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,GIT_PATCH_0,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: The PAGE_SIZE from the Mach headers statically defines the machine's page size. There's no need to query it dynamically; furthermore, the implementation of the vm_statistics () RPC unconditionally fills in pagesize = PAGE_SIZE; Not doing the extra RPC shaves off 2 RPCs from the start-up of every process! Signed-off-by: Sergey Bugaev --- mach/mach_init.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/mach/mach_init.c b/mach/mach_init.c index a0d9f7f5..42b9cacf 100644 --- a/mach/mach_init.c +++ b/mach/mach_init.c @@ -17,6 +17,7 @@ #include #include +#include #include mach_port_t __mach_task_self_; @@ -38,7 +39,10 @@ __mach_init (void) __mach_host_self_ = (__mach_host_self) (); __mig_init (0); -#ifdef HAVE_HOST_PAGE_SIZE +#ifdef PAGE_SIZE + __vm_page_size = PAGE_SIZE; + (void) err; +#elif defined (HAVE_HOST_PAGE_SIZE) if (err = __host_page_size (__mach_host_self (), &__vm_page_size)) _exit (err); #else -- 2.39.2