From mboxrd@z Thu Jan 1 00:00:00 1970 From: Catalin Marinas Subject: Re: [PATCH 09/11] ARM64: mm: HugeTLB support. Date: Fri, 24 May 2013 12:23:46 +0100 Message-ID: <20130524112346.GK18272@arm.com> References: <1369328878-11706-1-git-send-email-steve.capper@linaro.org> <1369328878-11706-10-git-send-email-steve.capper@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1369328878-11706-10-git-send-email-steve.capper@linaro.org> Sender: owner-linux-mm@kvack.org To: Steve Capper Cc: "linux-mm@kvack.org" , "x86@kernel.org" , "linux-arch@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Michal Hocko , Ken Chen , Mel Gorman , Will Deacon , "patches@linaro.org" List-Id: linux-arch.vger.kernel.org On Thu, May 23, 2013 at 06:07:56PM +0100, Steve Capper wrote: > Add huge page support to ARM64, different huge page sizes are > supported depending on the size of normal pages: > > PAGE_SIZE is 4KB: > 2MB - (pmds) these can be allocated at any time. > 1024MB - (puds) usually allocated on bootup with the command line > with something like: hugepagesz=1G hugepages=6 > > PAGE_SIZE is 64KB: > 512MB - (pmds) usually allocated on bootup via command line. > > Signed-off-by: Steve Capper Acked-by: Catalin Marinas -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fw-tnat.cambridge.arm.com ([217.140.96.21]:55839 "EHLO cam-smtp0.cambridge.arm.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751821Ab3EXLYb (ORCPT ); Fri, 24 May 2013 07:24:31 -0400 Date: Fri, 24 May 2013 12:23:46 +0100 From: Catalin Marinas Subject: Re: [PATCH 09/11] ARM64: mm: HugeTLB support. Message-ID: <20130524112346.GK18272@arm.com> References: <1369328878-11706-1-git-send-email-steve.capper@linaro.org> <1369328878-11706-10-git-send-email-steve.capper@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1369328878-11706-10-git-send-email-steve.capper@linaro.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Steve Capper Cc: "linux-mm@kvack.org" , "x86@kernel.org" , "linux-arch@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Michal Hocko , Ken Chen , Mel Gorman , Will Deacon , "patches@linaro.org" Message-ID: <20130524112346.SwjdyNUCOYXJ3tJwEO0777umXMyu9sY8td-tP3xqQoY@z> On Thu, May 23, 2013 at 06:07:56PM +0100, Steve Capper wrote: > Add huge page support to ARM64, different huge page sizes are > supported depending on the size of normal pages: > > PAGE_SIZE is 4KB: > 2MB - (pmds) these can be allocated at any time. > 1024MB - (puds) usually allocated on bootup with the command line > with something like: hugepagesz=1G hugepages=6 > > PAGE_SIZE is 64KB: > 512MB - (pmds) usually allocated on bootup via command line. > > Signed-off-by: Steve Capper Acked-by: Catalin Marinas From mboxrd@z Thu Jan 1 00:00:00 1970 From: catalin.marinas@arm.com (Catalin Marinas) Date: Fri, 24 May 2013 12:23:46 +0100 Subject: [PATCH 09/11] ARM64: mm: HugeTLB support. In-Reply-To: <1369328878-11706-10-git-send-email-steve.capper@linaro.org> References: <1369328878-11706-1-git-send-email-steve.capper@linaro.org> <1369328878-11706-10-git-send-email-steve.capper@linaro.org> Message-ID: <20130524112346.GK18272@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, May 23, 2013 at 06:07:56PM +0100, Steve Capper wrote: > Add huge page support to ARM64, different huge page sizes are > supported depending on the size of normal pages: > > PAGE_SIZE is 4KB: > 2MB - (pmds) these can be allocated at any time. > 1024MB - (puds) usually allocated on bootup with the command line > with something like: hugepagesz=1G hugepages=6 > > PAGE_SIZE is 64KB: > 512MB - (pmds) usually allocated on bootup via command line. > > Signed-off-by: Steve Capper Acked-by: Catalin Marinas