From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id 840676B0071 for ; Thu, 25 Mar 2010 04:39:53 -0400 (EDT) Received: by wwa36 with SMTP id 36so202686wwa.14 for ; Thu, 25 Mar 2010 01:39:50 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1269417391.8599.188.camel@pasglop> References: <1269417391.8599.188.camel@pasglop> Date: Thu, 25 Mar 2010 14:09:49 +0530 Message-ID: <62fe9ccc1003250139m7e8fecf9g2976a1bc244f6aa5@mail.gmail.com> Subject: Re: [PATCH 1/2] mm/vmalloc: Export purge_vmap_area_lazy() From: MJ embd Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org To: Benjamin Herrenschmidt Cc: linuxppc-dev , Nick Piggin , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" List-ID: On Wed, Mar 24, 2010 at 1:26 PM, Benjamin Herrenschmidt wrote: > Some powerpc code needs to ensure that all previous iounmap/vunmap has > really been flushed out of the MMU hash table. Without that, various > hotplug operations may fail when trying to return those pieces to > the hypervisor due to existing active mappings. Are you talking about KVM or any other hypervisor ? -- 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