From: Shuang Qiu <[email protected]>
The value of min_free_kbytes is set too high(half of mem_free) during
testing min_free_kbytes tunable.It often cause the system to become
out-of-memory.Using 20% of mem_free to avoid oom and system hang.
---
testcases/kernel/mem/tunable/min_free_kbytes.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/testcases/kernel/mem/tunable/min_free_kbytes.c
b/testcases/kernel/mem/tunable/min_free_kbytes.c
index 00ead04..8a03f85 100644
--- a/testcases/kernel/mem/tunable/min_free_kbytes.c
+++ b/testcases/kernel/mem/tunable/min_free_kbytes.c
@@ -128,7 +128,7 @@ static void test_tune(unsigned long overcommit_policy)
/* case2 */
else {
memfree = read_meminfo("MemFree:");
- tune = memfree / 2;
+ tune = memfree / 5;
set_sys_tune("min_free_kbytes", tune, 1);
}
--
1.7.7
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