Messages in this thread Patch in this message | | | From | "Yang Shi" <> | Subject | [PATCH 3/3] doc: add description for unreclaim_slabs_oom_ratio | Date | Wed, 27 Sep 2017 08:53:36 +0800 |
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Add the description for unreclaim_slabs_oom_ratio in Documentation/sysctl/vm.txt.
Signed-off-by: Yang Shi <yang.s@alibaba-inc.com> --- Documentation/sysctl/vm.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index 9baf66a..29926e3 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -59,6 +59,7 @@ Currently, these files are in /proc/sys/vm: - stat_interval - stat_refresh - swappiness +- unreclaim_slabs_oom_ratio - user_reserve_kbytes - vfs_cache_pressure - watermark_scale_factor @@ -804,6 +805,17 @@ The default value is 60. ============================================================== +unreclaim_slabs_oom_ratio + +The percentage of total unreclaimable slabs amount vs all user memory amount +(LRU pages). When the real ratio is greater than the value, oom killer would +dump unreclaimable slabs info when kernel panic. +The range is 0 - 100. 0 means dump unreclaimable slabs info unconditionally. + +The default value is 50. + +============================================================== + - user_reserve_kbytes When overcommit_memory is set to 2, "never overcommit" mode, reserve -- 1.8.3.1
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