From 334a513f11f0ecc260abcce549b1f1a74edc2c51 Mon Sep 17 00:00:00 2001
From: Michael Pratt <mpratt@google.com>
Date: Wed, 18 Dec 2019 12:59:32 -0800
Subject: Add Mems_allowed to /proc/PID/status
PiperOrigin-RevId: 286248378
---
pkg/sentry/fs/proc/task.go | 4 ++++
1 file changed, 4 insertions(+)
(limited to 'pkg/sentry/fs/proc')
diff --git a/pkg/sentry/fs/proc/task.go b/pkg/sentry/fs/proc/task.go
index 0e46c5fb7..9bf4b4527 100644
--- a/pkg/sentry/fs/proc/task.go
+++ b/pkg/sentry/fs/proc/task.go
@@ -604,6 +604,10 @@ func (s *statusData) ReadSeqFileData(ctx context.Context, h seqfile.SeqHandle) (
fmt.Fprintf(&buf, "CapEff:\t%016x\n", creds.EffectiveCaps)
fmt.Fprintf(&buf, "CapBnd:\t%016x\n", creds.BoundingCaps)
fmt.Fprintf(&buf, "Seccomp:\t%d\n", s.t.SeccompMode())
+ // We unconditionally report a single NUMA node. See
+ // pkg/sentry/syscalls/linux/sys_mempolicy.go.
+ fmt.Fprintf(&buf, "Mems_allowed:\t1\n")
+ fmt.Fprintf(&buf, "Mems_allowed_list:\t0\n")
return []seqfile.SeqData{{Buf: buf.Bytes(), Handle: (*statusData)(nil)}}, 0
}
--
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