From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f200.google.com (mail-wr0-f200.google.com [209.85.128.200]) by kanga.kvack.org (Postfix) with ESMTP id 071B16B0008 for ; Fri, 2 Mar 2018 03:20:28 -0500 (EST) Received: by mail-wr0-f200.google.com with SMTP id p2so5862547wre.19 for ; Fri, 02 Mar 2018 00:20:27 -0800 (PST) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id b10sor3887738edk.33.2018.03.02.00.20.26 for (Google Transport Security); Fri, 02 Mar 2018 00:20:26 -0800 (PST) Date: Fri, 2 Mar 2018 11:20:14 +0300 From: "Kirill A. Shutemov" Subject: Re: [PATCH v4 3/4] mm: Mark pages allocated through vmalloc Message-ID: <20180302082014.4zlhvot6lzg75x66@node.shutemov.name> References: <20180301211523.21104-1-willy@infradead.org> <20180301211523.21104-4-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180301211523.21104-4-willy@infradead.org> Sender: owner-linux-mm@kvack.org List-ID: To: Matthew Wilcox Cc: linux-mm@kvack.org, Matthew Wilcox , Martin Schwidefsky , linux-kernel@vger.kernel.org, Fengguang Wu , linux-api@vger.kernel.org On Thu, Mar 01, 2018 at 01:15:22PM -0800, Matthew Wilcox wrote: > From: Matthew Wilcox > > Use a bit in page_type to mark pages which have been allocated through > vmalloc. This can be helpful when debugging crashdumps or analysing > memory fragmentation. Add a KPF flag to report these pages to userspace > and update page-types.c to interpret that flag. > > Signed-off-by: Matthew Wilcox Acked-by: Kirill A. Shutemov -- Kirill A. Shutemov -- 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