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What: /sys/module/xen_blkback/parameters/max_buffer_pages
Date: March 2013
KernelVersion: 3.11
Contact: Roger Pau Monné <roger.pau@citrix.com>
Description:
Maximum number of free pages to keep in each block
backend buffer.
What: /sys/module/xen_blkback/parameters/max_persistent_grants
Date: March 2013
KernelVersion: 3.11
Contact: Roger Pau Monné <roger.pau@citrix.com>
Description:
Maximum number of grants to map persistently in
blkback. If the frontend tries to use more than
max_persistent_grants, the LRU kicks in and starts
removing 5% of max_persistent_grants every 100ms.
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