From a26043ee53a2f38b81c9eaa098d115025e87f4c3 Mon Sep 17 00:00:00 2001 From: Jamie Liu Date: Thu, 6 Jun 2019 16:26:00 -0700 Subject: Implement reclaim-driven MemoryFile eviction. PiperOrigin-RevId: 251950660 --- runsc/boot/loader.go | 3 +++ 1 file changed, 3 insertions(+) (limited to 'runsc') diff --git a/runsc/boot/loader.go b/runsc/boot/loader.go index a997776f8..ef4ccd0bd 100644 --- a/runsc/boot/loader.go +++ b/runsc/boot/loader.go @@ -424,6 +424,9 @@ func createMemoryFile() (*pgalloc.MemoryFile, error) { return nil, fmt.Errorf("error creating memfd: %v", err) } memfile := os.NewFile(uintptr(memfd), memfileName) + // We can't enable pgalloc.MemoryFileOpts.UseHostMemcgPressure even if + // there are memory cgroups specified, because at this point we're already + // in a mount namespace in which the relevant cgroupfs is not visible. mf, err := pgalloc.NewMemoryFile(memfile, pgalloc.MemoryFileOpts{}) if err != nil { memfile.Close() -- cgit v1.2.3