1 What: /sys/module/xen_blkback/parame
2 Date: March 2013
3 KernelVersion: 3.11
4 Contact: Roger Pau Monné <roger.pau@cit
5 Description:
6 Maximum number of free pages t
7 backend buffer.
8
9 What: /sys/module/xen_blkback/parame
10 Date: March 2013
11 KernelVersion: 3.11
12 Contact: Roger Pau Monné <roger.pau@cit
13 Description:
14 Maximum number of grants to ma
15 blkback. If the frontend tries
16 max_persistent_grants, the LRU
17 removing 5% of max_persistent_
18
19 What: /sys/module/xen_blkback/parame
20 Date: August 2018
21 KernelVersion: 4.19
22 Contact: Roger Pau Monné <roger.pau@cit
23 Description:
24 How long a persistent grant is
25 allocated without being in use
26 seconds, 0 means indefinitely
27 The default is 60 seconds.
28
29 What: /sys/module/xen_blkback/parame
30 Date: December 2019
31 KernelVersion: 5.6
32 Contact: Maximilian Heyne <mheyne@amazon
33 Description:
34 When memory pressure is report
35 controls the duration in milli
36 cache any page not backed by a
37 The default is 10ms.
38
39 What: /sys/module/xen_blkback/parame
40 Date: September 2020
41 KernelVersion: 5.10
42 Contact: Maximilian Heyne <mheyne@amazon
43 Description:
44 Whether to enable the persiste
45 that this option only takes ef
46 The default is Y (enable).
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