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Subject[PATCH 09/19] Reduce stack size in dsp_cmx_send()
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Date
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>
Signed-off-by: Andreas Eversberg <andreas@eversberg.eu>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
---
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


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