On Mon, 22 May 2006 03:51:37 +0200, Arjan van de Ven <[email protected]> said:
> On Sun, 2006-05-21 at 21:36 -0400, Giridhar Pemmasani wrote:
>> If __vmalloc is called in atomic context with GFP_ATOMIC flags,
>> __get_vm_area_node is called, which calls kmalloc_node with
>> GFP_KERNEL flags. This causes 'sleeping function called from
>> invalid context at mm/slab.c:2729' with 2.6.16-rc4 kernel. A
>> simple solution is to use proper flags in __get_vm_area_node,
>> depending on the context:
> vmalloc sleeps, or at least does things to the lower vm layers
> that really do sleepy things. So calling it from an atomic
> context really tends to be a bug....
> where in the kernel is this done?
It is not about vmalloc, but about __vmalloc. I gave more details in
response to Nick Piggin's reply on this thread.
Thanks,
Giri
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