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madvise.2: Note fork() and execve() semantics for wipe-on-fork setting 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2017-10-09 21:43:00 +02:00
parent 292e6c071c
commit dca5d444b3
1 changed files with 8 additions and 0 deletions
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@ -419,6 +419,14 @@ The
.B MADV_WIPEONFORK
operation can be applied only to private anonymous pages (see
.BR mmap (2)).
.IP
Within the child created by
.BR fork (2),
the
.B MADV_WIPEONFORK
setting remains in place on the specified address range.
This setting is cleared during
.BR execve (2).
.TP
.BR MADV_KEEPONFORK " (since Linux 4.14)"
.\" commit d2cd9ede6e193dd7d88b6d27399e96229a551b19