c1d383b578
Currently, while mapping or unmapping pages for ODP, the umem mutex is locked and unlocked once for each page. Such lock/unlock operation take few tens to hundreds of nsecs. This makes a significant impact when mapping or unmapping few MBs of memory. To avoid this, the mutex should be locked only once per operation, and not per page. Signed-off-by: Guy Shapiro <guysh@mellanox.com> Acked-by: Shachar Raindel <raindel@mellanox.com> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com> |
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