Re: Repeatable Panics with XFS and RAID1 (long)

[Marcelo Tosatti <marcelo@xxxxxxxxxxxxxxxx>]

On Wed, 21 Feb 2001, Rajagopal Ananthanarayanan wrote:

> Danny wrote:
> 
> > Feb 20 12:51:38 dsc_proto_1 kernel: __alloc_pages: 0-order allocation
> > failed.
> 
> For those seeing __alloc_pages failing, can you please try this patch?
> With recent code changes, writepage() is used for flushing dirty pages,
> and this typically happens under memory pressure. So, doing anything
> expensive to allocate memory under these conditions is bad.

Ananth, 

I think allocating memory from the atomic queue (used mainly by in
interrupt context) to generate dirty data may cause problems.