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| author | Jamie Liu <jamieliu@google.com> | 2020-09-18 13:23:41 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-09-18 13:25:35 -0700 |
| commit | ca4ecf481d617edfae22a5735a657d60186392e1 (patch) | |
| tree | 539dc1cef2df460610f96e488efc672c92fc7b1a /pkg/sentry/mm/mm_test.go | |
| parent | f911b43f05f88807a1e36adc6ab3b7c8cf8ec2ee (diff) | |
Use a tmpfs file for shared anonymous and /dev/zero mmap on VFS2.
This is more consistent with Linux (see comment on MM.NewSharedAnonMappable()).
We don't do the same thing on VFS1 for reasons documented by the updated
comment.
PiperOrigin-RevId: 332514849
Diffstat (limited to 'pkg/sentry/mm/mm_test.go')
| -rw-r--r-- | pkg/sentry/mm/mm_test.go | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/pkg/sentry/mm/mm_test.go b/pkg/sentry/mm/mm_test.go index fdc308542..acac3d357 100644 --- a/pkg/sentry/mm/mm_test.go +++ b/pkg/sentry/mm/mm_test.go @@ -51,7 +51,8 @@ func TestUsageASUpdates(t *testing.T) { defer mm.DecUsers(ctx) addr, err := mm.MMap(ctx, memmap.MMapOpts{ - Length: 2 * usermem.PageSize, + Length: 2 * usermem.PageSize, + Private: true, }) if err != nil { t.Fatalf("MMap got err %v want nil", err) |