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== Changes == | == Changes == | ||
− | + | This is a merge between 068.8 and 070.11 kernels, adding the features of 068.8 into 070.11 kernel. | |
+ | |||
Since {{kernel link|rhel6-testing|042stab070.11}}: | Since {{kernel link|rhel6-testing|042stab070.11}}: | ||
− | + | <!-- This is a merge between 068.x branch and 070.x branch. 071.1 kernel contains all patches from 068.8 and 070.12 kernels. --> | |
<!-- 065.5 --> | <!-- 065.5 --> | ||
<!-- 065.6 --> | <!-- 065.6 --> | ||
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* [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) | ||
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* [fuse] a missed fuse_file_put() has been added | * [fuse] a missed fuse_file_put() has been added | ||
* [mm] a panic while using huge tables has been fixed (PSBM-17315) | * [mm] a panic while using huge tables has been fixed (PSBM-17315) | ||
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