Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755262AbXENHQ5 (ORCPT ); Mon, 14 May 2007 03:16:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760559AbXENHQi (ORCPT ); Mon, 14 May 2007 03:16:38 -0400 Received: from smtp1.linux-foundation.org ([65.172.181.25]:34711 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760361AbXENHQh (ORCPT ); Mon, 14 May 2007 03:16:37 -0400 Date: Mon, 14 May 2007 00:16:32 -0700 From: Andrew Morton To: Benjamin Herrenschmidt Cc: Subject: Re: [PATCH] Add __vunmap prototype Message-Id: <20070514001632.60421680.akpm@linux-foundation.org> In-Reply-To: <20070514070732.B3796DDE44@ozlabs.org> References: <20070514070732.B3796DDE44@ozlabs.org> X-Mailer: Sylpheed 2.4.1 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1391 Lines: 31 On Mon, 14 May 2007 17:07:03 +1000 Benjamin Herrenschmidt wrote: > __vunmap is not static but I couldn't find a prototype for it, so this > adds it. I need to use it in some powerpc patch to come. > > Signed-off-by: Benjamin Herrenschmidt > > include/linux/vmalloc.h | 1 + > 1 file changed, 1 insertion(+) > > Index: linux-cell/include/linux/vmalloc.h > =================================================================== > --- linux-cell.orig/include/linux/vmalloc.h 2007-05-14 16:03:42.000000000 +1000 > +++ linux-cell/include/linux/vmalloc.h 2007-05-14 16:03:47.000000000 +1000 > @@ -50,6 +50,7 @@ extern void vfree(void *addr); > extern void *vmap(struct page **pages, unsigned int count, > unsigned long flags, pgprot_t prot); > extern void vunmap(void *addr); > +extern void __vunmap(void *addr, int deallocate_pages); > > extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr, > unsigned long pgoff); um, the only possible reason for wanting to access __vunmap() is that you want to do vunmap() from interrupt context, which is deadlockable. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/