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    Subject[PATCH 09/19] Reduce stack size in dsp_cmx_send()
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    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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