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The Giant lock is no longer used in the vm_map(9) part of the VM.

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While here, document that the process lock is acquired in vm_map_stack, too.

MFC after:	1 week
This commit is contained in:
Sergey Kandaurov 2013-01-10 22:36:30 +00:00
parent f404e02afd
commit e86fef2a0b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=245268
2 changed files with 6 additions and 9 deletions
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5
share/man/man9/vm_map_insert.9
View File

@ -25,7 +25,7 @@
.\" .\"
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd July 19, 2003 .Dd January 11, 2013
.Dt VM_MAP_INSERT 9 .Dt VM_MAP_INSERT 9
.Os .Os
.Sh NAME .Sh NAME
@ -73,9 +73,6 @@ This function implicitly creates a new
.Vt vm_map_entry .Vt vm_map_entry
by calling the internal function by calling the internal function
.Fn vm_map_entry_create . .Fn vm_map_entry_create .
This function may use the
.Va Giant
lock to ensure that only a single thread is present in the function.
.Sh RETURN VALUES .Sh RETURN VALUES
The The
.Fn vm_map_insert .Fn vm_map_insert

10
share/man/man9/vm_map_stack.9
View File

@ -25,7 +25,7 @@
.\" .\"
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd July 19, 2003 .Dd January 11, 2013
.Dt VM_MAP_STACK 9 .Dt VM_MAP_STACK 9
.Os .Os
.Sh NAME .Sh NAME
@ -81,11 +81,11 @@ function calls
to create its mappings. to create its mappings.
.Pp .Pp
The The
.Fn vm_map_stack
and
.Fn vm_map_growstack .Fn vm_map_growstack
function acquires the functions acquire the process lock on
.Va Giant .Fa p
lock, and the process lock on
.Fa p ,
for the duration of the call. for the duration of the call.
.Sh RETURN VALUES .Sh RETURN VALUES
The The