cri: memory.memsw.limit_in_bytes: no such file or directory

mqasimsarfraz · mqasimsarfraz · commit 06f18c69d22b · 2023-07-21T14:43:33.000+02:00
If kubelet passes the swap limit (default memory limit = swap limit ),
it is configured for container irrespective if the node supports swap.

Signed-off-by: Qasim Sarfraz &lt;qasimsarfraz@microsoft.com&gt;
diff --git a/pkg/cri/opts/spec_linux_opts.go b/pkg/cri/opts/spec_linux_opts.go
@@ -329,7 +329,7 @@ func WithResources(resources *runtime.LinuxContainerResources, tolerateMissingHu
 				s.Linux.Resources.Memory.Swap = &limit
 			}
 		}
-		if swapLimit != 0 {
+		if swapLimit != 0 && SwapControllerAvailable() {
 			s.Linux.Resources.Memory.Swap = &swapLimit
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -329,7 +329,7 @@ func WithResources(resources *runtime.LinuxContainerResources, tolerateMissingHu`
`329`	`329`	`s.Linux.Resources.Memory.Swap = &limit`
`330`	`330`	`}`
`331`	`331`	`}`
`332`		`- if swapLimit != 0 {`
	`332`	`+ if swapLimit != 0 && SwapControllerAvailable() {`
`333`	`333`	`s.Linux.Resources.Memory.Swap = &swapLimit`
`334`	`334`	`}`
`335`	`335`