From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755739AbZESOyU (ORCPT ); Tue, 19 May 2009 10:54:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753072AbZESOxn (ORCPT ); Tue, 19 May 2009 10:53:43 -0400 Received: from d112a2.x-mailer.de ([212.162.53.4]:39892 "EHLO d112a2.x-mailer.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755220AbZESOxm (ORCPT ); Tue, 19 May 2009 10:53:42 -0400 Message-Id: <9d42391081802ff974c19d734a2c94a6c8c32cfb.1242739648.git.kkeil@pingi.linux-pingi.de> In-Reply-To: References: Subject: [PATCH 09/19] Reduce stack size in dsp_cmx_send() From: Karsten Keil To: linux-kernel@vger.kernel.org Cc: Stephen Rothwell , i4ldeveloper@listserv.isdn4linux.de Date: Tue, 19 May 2009 15:58:28 +0200 X-Info: valid message X-Info: original Date Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Frank Seidel Reduce stack size memory footprint of mISDN_dsp. (From 1468 bytes for dsp_cmx_send on i386 down to 44). Signed-off-by: Frank Seidel Signed-off-by: Andreas Eversberg Signed-off-by: Karsten Keil --- drivers/isdn/hardware/mISDN/hfcmulti.c | 2 +- drivers/isdn/mISDN/dsp_cmx.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c index 735d292..9d8c7ff 100644 --- a/drivers/isdn/hardware/mISDN/hfcmulti.c +++ b/drivers/isdn/hardware/mISDN/hfcmulti.c @@ -104,7 +104,7 @@ * If unsure, don't give this parameter. * * dslot: - * NOTE: only one poll value must be given for every card. + * NOTE: only one dslot value must be given for every card. * Also this value must be given for non-E1 cards. If omitted, the E1 * card has D-channel on time slot 16, which is default. * If 1..15 or 17..31, an alternate time slot is used for D-channel. diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c index 5e1d947..bae6d97 100644 --- a/drivers/isdn/mISDN/dsp_cmx.c +++ b/drivers/isdn/mISDN/dsp_cmx.c @@ -1596,7 +1596,8 @@ dsp_cmx_send(void *arg) struct dsp_conf_member *member; struct dsp *dsp; int mustmix, members; - s32 mixbuffer[MAX_POLL+100], *c; + static s32 mixbuffer[MAX_POLL+100]; + s32 *c; u8 *p, *q; int r, rr; int jittercheck = 0, delay, i; -- 1.6.0.2