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Update mlock(2) manpage to cross-reference m{,un}lockall(2), remove

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a case where ENOMEM could be returned by munlock(2), and add possible
system deadlock to the BUGS section.
This commit is contained in:
Brian Feldman 2004-08-10 14:52:42 +00:00
parent 5b2bbd83fc
commit 831bc6f574
1 changed files with 5 additions and 1 deletions
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6
lib/libc/sys/mlock.2
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@ -137,9 +137,10 @@ The caller is not the super-user.
The address given is not page aligned or the length is negative.
.It Bq Er ENOMEM
Some portion of the indicated address range is not allocated.
Some portion of the indicated address range is not locked.
.El
.Sh "SEE ALSO"
.Xr mlockall 2,
.Xr munlockall 2,
.Xr fork 2 ,
.Xr mincore 2 ,
.Xr minherit 2 ,
@ -148,6 +149,9 @@ Some portion of the indicated address range is not locked.
.Xr setrlimit 2 ,
.Xr getpagesize 3
.Sh BUGS
Allocating too much wired memory can lead to a memory-allocation deadlock
which requires a reboot to recover from.
.Pp
The per-process resource limit is a limit on the amount of virtual
memory locked, while the system-wide limit is for the number of locked
physical pages.