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From: Frank Seidel <fseidel@suse.de>
To: linux kernel <linux-kernel@vger.kernel.org>
Cc: akpm@linux-foundation.org, kkeil@suse.de,
	linux-isdn@vger.kernel.org, fseidel@suse.de,
	"Frank Seidel" <frank@f-seidel.de>,
	"Ilpo Järvinen" <ilpo.jarvinen@helsinki.fi>,
	"Andreas Eversberg" <andreas@eversberg.eu>,
	"Hannes Eder" <hannes@hanneseder.net>,
	"Adrian Bunk" <bunk@kernel.org>
Subject: [PATCH] isdn: reduce stack size of mISDN_dsp
Date: Sun, 01 Mar 2009 17:32:50 +0100	[thread overview]
Message-ID: <49AAB8B2.8060801@suse.de> (raw)

From: Frank Seidel <frank@f-seidel.de>

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 <frank@f-seidel.de>
---
 drivers/isdn/mISDN/dsp_cmx.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/isdn/mISDN/dsp_cmx.c
+++ b/drivers/isdn/mISDN/dsp_cmx.c
@@ -1592,7 +1592,8 @@ 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;


             reply	other threads:[~2009-03-01 16:33 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-01 16:32 Frank Seidel [this message]
2009-03-01 16:51 ` [PATCH] isdn: reduce stack size of mISDN_dsp Karsten Keil
2009-03-01 16:53   ` Frank Seidel
2009-03-01 17:10 ` [PATCHv2] " Frank Seidel
2009-03-01 19:54   ` Karsten Keil

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