--- Alan Cox <[email protected]> wrote:
> You are not allowed to call vmalloc in atomic context, especially in
> interrupt paths. Vmalloc has to do TLB handling work and that can
> involve cross calls and other stuff that isn't IRQ friendly on all
> platforms.
This has been discussed before:
http://marc.theaimsgroup.com/?l=linux-kernel&m=114831100404677&w=2
The problem is not with calling vmalloc in atomic context, but __vmalloc,
which can be. The proposed patch makes sure __vmalloc is not supposed to be
called in interrupt context.
Giri
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