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Subject[PATCH 3/3] doc: add description for unreclaim_slabs_oom_ratio
Date
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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