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

mqasimsarfraz · mqasimsarfraz · commit b585ff155a9d · 2023-07-25T17:11:26.000+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 <qasimsarfraz@microsoft.com> (cherry picked from commit 06f18c6) Signed-off-by: Qasim Sarfraz <qasimsarfraz@microsoft.com>
diff --git a/pkg/cri/opts/spec_linux.go b/pkg/cri/opts/spec_linux.go
@@ -484,7 +484,7 @@ 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
`@@ -484,7 +484,7 @@ func WithResources(resources *runtime.LinuxContainerResources, tolerateMissingHu`
`484`	`484`	`s.Linux.Resources.Memory.Swap = &limit`
`485`	`485`	`}`
`486`	`486`	`}`
`487`		`- if swapLimit != 0 {`
	`487`	`+ if swapLimit != 0 && SwapControllerAvailable() {`
`488`	`488`	`s.Linux.Resources.Memory.Swap = &swapLimit`
`489`	`489`	`}`
`490`	`490`