diff options
| author | Lennart Poettering <lennart@poettering.net> | 2015-09-01 17:53:14 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2015-09-01 18:37:01 +0200 |
| commit | 9b84c7f959dca7b14dde522a443a3fcf2f5c5c2d (patch) | |
| tree | 59471cc4cb392917bc4b3d2e9af3e29cde712d6e /src | |
| parent | e9db43d5910717a1084924c512bf85e2b8265375 (diff) | |
cgroup: never migrate kernel threads out of the root cgroup
It won't work anyway.
Diffstat (limited to 'src')
| -rw-r--r-- | src/basic/cgroup-util.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c index 6b3162a35f..2a6dc2769b 100644 --- a/src/basic/cgroup-util.c +++ b/src/basic/cgroup-util.c @@ -321,6 +321,14 @@ int cg_migrate(const char *cfrom, const char *pfrom, const char *cto, const char if (set_get(s, LONG_TO_PTR(pid)) == LONG_TO_PTR(pid)) continue; + /* Ignore kernel threads. Since they can only + * exist in the root cgroup, we only check for + * them there. */ + if (cfrom && + (isempty(pfrom) || path_equal(pfrom, "/")) && + is_kernel_thread(pid) > 0) + continue; + r = cg_attach(cto, pto, pid); if (r < 0) { if (ret >= 0 && r != -ESRCH) |