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Joel Fernandes (Google)
2e53c4e1c8
In this test, the parent and child both have writable private mappings. The test shows that without the patch in this series, the parent and child shared the same memory which is incorrect. In other words, COW needs to be triggered so any writes to child's copy stays local to the child. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Joel Fernandes (Google) <[email protected]> Cc: Hugh Dickins <[email protected]> Cc: Nicolas Geoffray <[email protected]> Cc: Shuah Khan <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>