tools/testing/selftests/vm/: add MAP_POPULATE test

As with many other projects, we use some shmalloc allocator.  At some
point we need to make a part of allocated pages back private to process.
And it should be populated straight away.  Check that (MAP_PRIVATE |
MAP_POPULATE) actually copies the private page.

[[email protected]: change message, per review discussion]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Dmitry Safonov <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Cc: Dmitry Safonov <[email protected]>
Cc: Hua Zhong <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Stuart Ritchie <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions