zfsonlinux/zfs — pull request #2774 by behlendorf (2014-10-09 00:19:29+00:00)
Title: Suppress AIO kmem warnings

The new zpl_aio_write() and zpl_aio_read() functions use kmem_alloc()
to allocate enough memory to hold the vectorized IO. While this
allocation will be small it's been observed in practice to sometimes
slightly exceed the 8K warning threshold by a few kilobytes.
Therefore, the KM_NODEBUG flag has been added to suppress warning.

Signed-off-by: Brian Behlendorf