Re: [BUG] vmalloc, kmalloc - 2.4.x

Arjan van de Ven
2003-02-03T15:10:33Z

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On Mon, 2003-02-03 at 16:13, Grzegorz Jaskiewicz wrote:
> few days ago i started to port driver for our hardware in company from
> windows to linux. It is simple ISA card, which gives me interrupt each
> 8ms. So i can check it state and latch some sort of watchdog on it -
> saying that i am still running (just for security, if system hangs card
> is blocking all inputs/outputs).

> #include <linux/modversions.h>

don't do that. ever.

> #ifdef CONFIG_KMOD
> #include <linux/kmod.h>
> #endif

bullshit ifdef's (and the surrounding code has a whole bunch too

btw you do know you can't do vmalloc (or vfree) from interrupt context ?
And that every vmalloc eats at minimum 8Kb of virtual memory space? Of
which you can't count on having more than 64Mb on x86 ?

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