Lines Matching +full:free +full:- +full:running

1 .. SPDX-License-Identifier: GPL-2.0
4 DAMON-based Reclamation
7 DAMON-based Reclamation (DAMON_RECLAIM) is a static kernel module that aimed to
9 It doesn't aim to replace the LRU-list based page_granularity reclamation, but
15 On general memory over-committed systems, proactively reclaiming cold pages
20 Free Pages Reporting [3]_ based memory over-commit virtualization systems are
21 good example of the cases.  In such systems, the guest VMs reports their free
24 guests could be not so memory-frugal, mainly because some kernel subsystems and
25 user-space applications are designed to use as much memory as available.  Then,
26 guests could report only small amount of memory as free to host, results in
27 memory utilization drop of the systems.  Running the proactive reclamation in
43 To use this feature, you should first ensure your system is running on a kernel
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60 no real monitoring and reclamation due to the watermarks-based activation
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68 Input parameters that updated while DAMON_RECLAIM is running are not applied
70 of parametrs except ``enabled`` again.  Once the re-reading is done, this
72 re-reading, DAMON_RECLAIM will be disabled.
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129 Free memory rate (per thousand) for the high watermark.
131 If free memory of the system in bytes per thousand bytes is higher than this,
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138 Free memory rate (per thousand) for the middle watermark.
140 If free memory of the system in bytes per thousand bytes is between this and
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147 Free memory rate (per thousand) for the low watermark.
149 If free memory of the system in bytes per thousand bytes is lower than this,
151 watermarks.  In the case, the system falls back to the LRU-list based page
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176 monitoring.  This can be used to set lower-bound of the monitoring quality.
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186 monitoring.  This can be used to set upper-bound of the monitoring overhead.
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214 -1.
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248 nothing if the system's free memory rate is more than 50%, but start the real
250 therefore the free memory rate becomes lower than 20%, it asks DAMON_RECLAIM to
251 do nothing again, so that we can fall back to the LRU-list based page