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