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Ignore MADV_DONTDUMP and MADV_DODUMP.

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PiperOrigin-RevId: 202361912
Change-Id: I1d0ee529073954d467b870872f494cebbf8ea61a
This commit is contained in:
Jamie Liu
2018-06-27 13:42:37 -07:00
committed by Shentubot
parent f93043615f
commit 4215e059e2
1 changed files with 4 additions and 0 deletions
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pkg/sentry/syscalls/linux/sys_mmap.go
+4
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@@ -181,6 +181,10 @@ func Madvise(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysca
fallthrough
case linux.MADV_MERGEABLE, linux.MADV_UNMERGEABLE:
fallthrough
case linux.MADV_DONTDUMP, linux.MADV_DODUMP:
// TODO: Core dumping isn't implemented, so these are
// no-ops.
fallthrough
case linux.MADV_NORMAL, linux.MADV_RANDOM, linux.MADV_SEQUENTIAL, linux.MADV_WILLNEED:
// Do nothing, we totally ignore the suggestions above.
return 0, nil, nil