6,534
edits
Changes
it's indeed enchanted!
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* [ubc/mm] A new strict page cache isolation feature (PSBM-16955) ** This feature disables bouncing pagecache pages between host and containers on physpages shortage in container. Internal reclaimer will drop cached data if container exceeded its physpages limit and pagecache , see [[Page cache isolation turned on.** Current state: /proc/bc/<id>/debug:pagecache_isolation (disabled by default)** sysctls:*** ubc.pagecache_isolation = 0|1 turn off|on isolation for all containers*** ubc.pagecache_isolation_on = <id> turn on for container <id> (write only)*** ubc.pagecache_isolation_off = <id> turn off for container <id> (write only]])
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* [mm] per-bc pagecache should be shrinked proportionally now (PSBM-15799)
* [vSwap] virtual vSwap feature has been introduced => now vSwap does not require free physical swap on the HN (PSBM-16764)
* [pagecache] enchanted version of memory scheduler: shadow gangs, reclaimer takes timestamps into the consideration, etc. (PSBM-15796)
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* [ubc/dcache] fix endless oom postponing in dcache reclaimer (PSBM-17067, PSBM-17069)
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* [mm] deadlock in kswapd near oom condition has been fixed (PSBM-17100)
<!-- 068.7 was a "side" kernel -->* [mm] a new formula has been implemented for pagecache reclaimer, the reclaimer should become more indulgent for small Containers with old pages** + some stats is visible now in /proc/meminfo and /proc/bc/*/meminfo in case ve.meminfo==2 (PSBM-15799)
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* [devpts] handle dentry allocation failure properly in devpts_pty_new() ({{B|1758}})