Coywolf Qi Hunt <[email protected]> wrote:
>
> Recent make-sysrq-f-call-oom_kill.patch calls oom-killer in interrupt context,
> thus results into panic. This patch fixes out_of_memory() to avoid schedule
> when in interrupt context.
>
> Coywolf
>
>
> Signed-off-by: Coywolf Qi Hunt <[email protected]>
>
> diff -pruN 2.6.12-rc1-mm2/mm/oom_kill.c 2.6.12-rc1-mm2-cy/mm/oom_kill.c
> --- 2.6.12-rc1-mm2/mm/oom_kill.c 2005-03-03 17:12:18.000000000 +0800
> +++ 2.6.12-rc1-mm2-cy/mm/oom_kill.c 2005-03-25 08:07:19.000000000 +0800
> @@ -20,6 +20,7 @@
> #include <linux/swap.h>
> #include <linux/timex.h>
> #include <linux/jiffies.h>
> +#include <linux/hardirq.h>
>
> /* #define DEBUG */
>
> @@ -283,6 +284,9 @@ retry:
> if (mm)
> mmput(mm);
>
> + if (in_interrupt())
> + return;
That'll make the whole feature a no-op, won't it?
The thing needs to be moved into process context via schedule_work(). I
haven't got around to it yet.
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