Editing Download/kernel/rhel6-testing/042stab072.2/changes
Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits.
The edit can be undone.
Please check the comparison below to verify that this is what you want to do, and then save the changes below to finish undoing the edit.
| Latest revision | Your text | ||
| Line 14: | Line 14: | ||
* [dcache] introduce per-bc dcache lru lists with real time shrink. Underlying dcache can be immediately shrunk if sysctl "ubc.dcache_no_vzfs_cache" is set (PSBM-16072) | * [dcache] introduce per-bc dcache lru lists with real time shrink. Underlying dcache can be immediately shrunk if sysctl "ubc.dcache_no_vzfs_cache" is set (PSBM-16072) | ||
* [vSwap] virtual vSwap feature has been introduced => now vSwap does not require free physical swap on the HN (PSBM-16764) | * [vSwap] virtual vSwap feature has been introduced => now vSwap does not require free physical swap on the HN (PSBM-16764) | ||
| − | * [pagecache] | + | * [pagecache] enhanced version of memory scheduler: shadow gangs, reclaimer takes timestamps into the consideration, etc. (PSBM-15796) |
| + | ** vmscan priority is calculated for all LRU vectors according to its memory usage/limit and age of LRU lists. | ||
| + | ** sysctls: | ||
| + | *** vm.usage_factor (default 2) | ||
| + | *** vm.shadow_factor (default 8) | ||
| + | *** vm.age_factor (default 8) | ||
| + | *** priority = 12 + usage * usage_factor / limit + shadow * shadow_factor / limit (for shadow part only) + age * age_factor / max_age | ||
<!-- 068.3 --> | <!-- 068.3 --> | ||
* [ubc/dcache] fix endless oom postponing in dcache reclaimer (PSBM-17067, PSBM-17069) | * [ubc/dcache] fix endless oom postponing in dcache reclaimer (PSBM-17067, PSBM-17069) | ||
