aboutsummaryrefslogtreecommitdiff
path: root/tools/perf/scripts/python/mem-phys-addr.py
diff options
context:
space:
mode:
authorJohannes Thumshirn <[email protected]>2018-11-07 14:58:14 +0100
committerJens Axboe <[email protected]>2018-11-07 13:04:22 -0700
commitdf376b2ed51a2777c3398e038992f62523c0f932 (patch)
tree18169f272490df584b3b9ed7ebe6736368c69f19 /tools/perf/scripts/python/mem-phys-addr.py
parent9fe5c59ff6a1e5e26a39b75489a1420e7eaaf0b1 (diff)
block: respect virtual boundary mask in bvecs
With drivers that are settting a virtual boundary constrain, we are seeing a lot of bio splitting and smaller I/Os being submitted to the driver. This happens because the bio gap detection code does not account cases where PAGE_SIZE - 1 is bigger than queue_virt_boundary() and thus will split the bio unnecessarily. Cc: Jan Kara <[email protected]> Cc: Bart Van Assche <[email protected]> Cc: Ming Lei <[email protected]> Reviewed-by: Sagi Grimberg <[email protected]> Signed-off-by: Johannes Thumshirn <[email protected]> Acked-by: Keith Busch <[email protected]> Reviewed-by: Ming Lei <[email protected]> Signed-off-by: Jens Axboe <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/mem-phys-addr.py')
0 files changed, 0 insertions, 0 deletions