staging/rdma/hfi1: Convert to use get_user_pages_fast

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Convert hfi1_get_user_pages() to use get_user_pages_fast(),
which is much fatster. The mm semaphore is still taken to
update the pinned page count but is for a much shorter
amount of time.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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This commit is contained in:

Mitko Haralanov 2015-12-08 17:10:09 -05:00 • committed by Greg Kroah-Hartman

parent 483119a760

commit def8228452

3 changed files with 32 additions and 77 deletions

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8

drivers/staging/rdma/hfi1/file_ops.c

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4

drivers/staging/rdma/hfi1/hfi.h

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101

drivers/staging/rdma/hfi1/user_pages.c

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