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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / Documentation / ABI / testing / sysfs-driver-xen-blkback
at v3.16 17 lines 736 B view raw
1What: /sys/module/xen_blkback/parameters/max_buffer_pages 2Date: March 2013 3KernelVersion: 3.11 4Contact: Roger Pau Monné <roger.pau@citrix.com> 5Description: 6 Maximum number of free pages to keep in each block 7 backend buffer. 8 9What: /sys/module/xen_blkback/parameters/max_persistent_grants 10Date: March 2013 11KernelVersion: 3.11 12Contact: Roger Pau Monné <roger.pau@citrix.com> 13Description: 14 Maximum number of grants to map persistently in 15 blkback. If the frontend tries to use more than 16 max_persistent_grants, the LRU kicks in and starts 17 removing 5% of max_persistent_grants every 100ms.