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Fix set_swappiness in cgroup v2

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The file should be memory.swap.max in cgroup v2.

Signed-off-by: Tim Zhang <tim@hyper.sh>
This commit is contained in:
Tim Zhang
2020-12-07 15:53:14 +08:00
parent 059204589c
commit 61a0957a65
1 changed files with 9 additions and 5 deletions
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14
src/memory.rs
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@@ -818,11 +818,15 @@ impl MemController {
///
/// Note that a value of zero does not imply that the process will not be swapped out.
pub fn set_swappiness(&self, swp: u64) -> Result<()> {
self.open_path("memory.swappiness", true)
.and_then(|mut file| {
file.write_all(swp.to_string().as_ref())
.map_err(|e| Error::with_cause(WriteFailed, e))
})
let mut file = "memory.swappiness";
if self.v2 {
file = "memory.swap.max"
}
self.open_path(file, true).and_then(|mut file| {
file.write_all(swp.to_string().as_ref())
.map_err(|e| Error::with_cause(WriteFailed, e))
})
}
pub fn disable_oom_killer(&self) -> Result<()> {