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Date:	Sun, 01 Mar 2009 17:32:50 +0100
From:	Frank Seidel <>
To:	linux kernel <>
	Frank Seidel <>,
	Ilpo Järvinen 
	Andreas Eversberg <>,
	Hannes Eder <>,
	Adrian Bunk <>
Subject: [PATCH] isdn: reduce stack size of mISDN_dsp

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 <>
 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;

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