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munlockall(2)							 munlockall(2)

NAME
       munlockall() - unlock the entire virtual address space of a process

SYNOPSIS
DESCRIPTION
       The  system  call  allows the calling process to unlock any portions of
       its virtual address space that have previously been locked into	memory
       with  or	 including  any portions locked due to the option of Upon suc‐
       cessful completion of the all pages within the process virtual  address
       space are subject to routine paging and/or swapping and the option will
       no longer be in effect for the process.

       Regardless of how many times a process locks  a	page,  a  single  will
       unlock  it.  When memory is shared by multiple processes and mlocks are
       applied to the same physical page by multiple processes, a page remains
       locked until the last lock is removed from that page.

       The  effective  user  ID of the calling process must be a user with the
       privilege.

       Although and the family of functions may be used together in an	appli‐
       cation, each may affect the other in unexpected ways.  This practice is
       not recommended.

   Security Restrictions
       Some or all of the actions associated with this system call require the
       privilege.  Processes owned by the superuser have this privilege.  Pro‐
       cesses owned by other users may have this privilege, depending on  sys‐
       tem configuration.  See privileges(5) for more information about privi‐
       leged access on systems that support fine-grained privileges.

RETURN VALUE
       returns the following values:

	      Successful completion.
	      Failure.
		     The requested operation is	 not  performed.   is  set  to
		     indicate the error.

ERRORS
       If fails, is set to the following value:

	      The effective user ID of the calling process
			     is not a user with the privilege.

EXAMPLES
       The following call to unlocks the process virtual address space:

SEE ALSO
       setprivgrp(1M),	 getprivgrp(2),	  mlock(2),  mlockall(2),  munlock(2),
       plock(2), privileges(5).

STANDARDS CONFORMANCE
								 munlockall(2)

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