From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750972AbWFZQ4F (ORCPT ); Mon, 26 Jun 2006 12:56:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750925AbWFZQym (ORCPT ); Mon, 26 Jun 2006 12:54:42 -0400 Received: from cust9421.vic01.dataco.com.au ([203.171.70.205]:50310 "EHLO nigel.suspend2.net") by vger.kernel.org with ESMTP id S1750921AbWFZQyL (ORCPT ); Mon, 26 Jun 2006 12:54:11 -0400 From: Nigel Cunningham Subject: [Suspend2][ 3/9] [Suspend2] Free a whole extent chain. Date: Tue, 27 Jun 2006 02:54:15 +1000 To: linux-kernel@vger.kernel.org Message-Id: <20060626165413.11065.69373.stgit@nigel.suspend2.net> In-Reply-To: <20060626165404.11065.91833.stgit@nigel.suspend2.net> References: <20060626165404.11065.91833.stgit@nigel.suspend2.net> Content-Type: text/plain; charset=utf-8; format=fixed Content-Transfer-Encoding: 8bit User-Agent: StGIT/0.9 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Add a routine to free an entire extent chain at once. Signed-off-by: Nigel Cunningham kernel/power/extent.c | 23 +++++++++++++++++++++++ 1 files changed, 23 insertions(+), 0 deletions(-) diff --git a/kernel/power/extent.c b/kernel/power/extent.c index 2fb6a23..ab19509 100644 --- a/kernel/power/extent.c +++ b/kernel/power/extent.c @@ -47,3 +47,26 @@ void suspend_put_extent(struct extent *e suspend_extents_allocated--; } +/* suspend_put_extent_chain. + * + * Frees a whole chain of extents. + */ +void suspend_put_extent_chain(struct extent_chain *chain) +{ + struct extent *this; + + this = chain->first; + + while(this) { + struct extent *next = this->next; + kfree(this); + chain->frees++; + suspend_extents_allocated --; + this = next; + } + + BUG_ON(chain->frees != chain->allocs); + chain->first = chain->last = chain->last_touched = NULL; + chain->size = chain->allocs = chain->frees = 0; +} + -- Nigel Cunningham nigel at suspend2 dot net