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cgroup: add support to set MemorySwap

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Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
This commit is contained in:
Qiang Huang
2014-12-11 09:40:55 -08:00
parent 0d0402712b
commit 9184d9473d
1 changed files with 7 additions and 2 deletions
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cgroups/fs/memory.go
+7 -2
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@@ -38,12 +38,17 @@ func (s *MemoryGroup) Set(d *data) error {
}
}
// By default, MemorySwap is set to twice the size of RAM.
// If you want to omit MemorySwap, set it to `-1'.
if d.c.MemorySwap != -1 {
// If you want to omit MemorySwap, set it to '-1'.
if d.c.MemorySwap == 0 {
if err := writeFile(dir, "memory.memsw.limit_in_bytes", strconv.FormatInt(d.c.Memory*2, 10)); err != nil {
return err
}
}
if d.c.MemorySwap > 0 {
if err := writeFile(dir, "memory.memsw.limit_in_bytes", strconv.FormatInt(d.c.MemorySwap, 10)); err != nil {
return err
}
}
}
return nil
}