[dm-devel] Re: [Evms-devel] dm snapshot problem
Andrew Morton
akpm at osdl.org
Fri Jan 14 03:44:48 UTC 2005
Kevin Corry <kevcorry at us.ibm.com> wrote:
>
> Now that you mention it, the memory pages to hold the copied data is allocated
> at the time the snapshot device is activated, and uses
> alloc_page(GFP_KERNEL). Should we switch this to alloc_page(GFP_HIGHUSER)?
Sure, if possible. You'll need to map them in with kmap_atomic() when
actually altering their contents, of course.
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