From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id B64C26B00AC for ; Mon, 16 Feb 2009 11:32:23 -0500 (EST) Subject: Re: [PATCH] Export symbol ksize() From: Joe Perches In-Reply-To: <20090216135643.GA6927@cmpxchg.org> References: <1234272104-10211-1-git-send-email-kirill@shutemov.name> <84144f020902100535i4d626a9fj8cbb305120cf332a@mail.gmail.com> <20090210134651.GA5115@epbyminw8406h.minsk.epam.com> <20090216135643.GA6927@cmpxchg.org> Content-Type: text/plain Date: Mon, 16 Feb 2009 08:32:32 -0800 Message-Id: <1234801952.20430.33.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Johannes Weiner Cc: Pekka J Enberg , "Kirill A. Shutemov" , Christoph Lameter , Matt Mackall , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-crypto@vger.kernel.org, Herbert Xu , Geert.Uytterhoeven@sonycom.com List-ID: On Mon, 2009-02-16 at 14:56 +0100, Johannes Weiner wrote: > One problem is that zeroing ksize() > bytes can have an overhead of nearly twice the actual allocation size. A possible good thing is when linux has a mechanism to use known zeroed memory in kzalloc or kcalloc, it's already good to go. -- 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