Messages in this thread | | | Subject | Re: [patch v2] madvise.2: Add MADV_WIPEONFORK documentation | From | Rik van Riel <> | Date | Tue, 19 Sep 2017 15:21:47 -0400 |
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On Tue, 2017-09-19 at 21:07 +0200, Michael Kerrisk (man-pages) wrote:
> Thanks. I applied this, and tweaked the madvise.2 text a little, to > read as follows (please let me know if I messed anything up): > > MADV_WIPEONFORK (since Linux 4.14) > Present the child process with zero-filled > memory in this > range after a fork(2). This is useful in forking > servers > in order to ensure that sensitive per- > process data (for > example, PRNG seeds, cryptographic secrets, and so > on) is > not handed to child processes. > > The MADV_WIPEONFORK operation can be applied > only to pri‐ > vate anonymous pages (see mmap(2)).
That looks great. Thank you, Michael!
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