On Mon, Apr 29, 2013 at 07:38:01AM -0600, David Sterba wrote:
> After commit a65917156e34594 ("Btrfs: stop using highmem for
> extent_buffers") we don't need to call kmap_atomic anymore and can
> reduce the move_pages helper to a simple memmove.
>
> There's only one caller of memcpy_extent_buffer, we can use the
> memmove_ variant here.
>
This makes -l 64k blow the hell up, just try generic/001. I'm kicking this
patch out. Thanks,
Josef
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