From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755967AbYANKux (ORCPT ); Mon, 14 Jan 2008 05:50:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754194AbYANKup (ORCPT ); Mon, 14 Jan 2008 05:50:45 -0500 Received: from wa-out-1112.google.com ([209.85.146.183]:18277 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753107AbYANKuo (ORCPT ); Mon, 14 Jan 2008 05:50:44 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:reply-to:to:cc:content-type:date:message-id:mime-version:x-mailer:content-transfer-encoding; b=i1gG77WclJUkBDkzgp/PAHXIQihf8zygUH/m+7NEOJrHntKl1m4tW2QXTA17qQvQHGOVPt2s7nhbY2pFXDFyOqrudgGfzJ8pvrLN7ARAkmWnfeO7kY3196drkflEPeSADDNCdXgWpZhcp2q002aMZwLqRHN6jVyCyEqegi5c/aw= Subject: [PATCH] Re-organization of PIDMAP_ENTRIES macro expansion From: Ratnadeep Joshi Reply-To: ratn.josh@gmail.com To: linux-kernel@vger.kernel.org Cc: trivial@kernel.org, akpm@linux-foundation.org Content-Type: text/plain Date: Mon, 14 Jan 2008 16:20:35 +0530 Message-Id: <1200307835.2819.18.camel@life.india.kernelcorp.com> Mime-Version: 1.0 X-Mailer: Evolution 2.12.1 (2.12.1-3.fc8) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch tries to re-organize the macro expansion of PIDMAP_ENTRIES (possibly) to a more clear one. Thanks, - Ratnadeep Joshi diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h index 1689e28..06e3e99 100644 --- a/include/linux/pid_namespace.h +++ b/include/linux/pid_namespace.h @@ -12,7 +12,7 @@ struct pidmap { void *page; }; -#define PIDMAP_ENTRIES ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8) +#define PIDMAP_ENTRIES ((PID_MAX_LIMIT - 1)/PAGE_SIZE/8 + 1) struct pid_namespace { struct kref kref;