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Update to reflect the demise of PG_CACHED pages.

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Reviewed by:	kib, markj
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D8530
This commit is contained in:
Alan Cox 2016-11-16 02:51:24 +00:00
parent 099a0e1bea
commit 4fab83fffc
1 changed files with 2 additions and 14 deletions
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16
share/man/man9/vm_page_alloc.9
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@ -26,7 +26,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd January 28, 2012
.Dd November 16, 2016
.Dt VM_PAGE_ALLOC 9
.Os
.Sh NAME
@ -52,8 +52,6 @@ The page returned is inserted into the object, unless
.Dv VM_ALLOC_NOOBJ
is specified in the
.Fa req .
The page may exist in the vm object cache, in which case it will
be reactivated instead, moving from the cache into the object page list.
.Pp
.Fn vm_page_alloc
will not sleep.
@ -89,7 +87,7 @@ than zero.
.El
.Pp
The optional flags are:
.Bl -tag -width ".Dv VM_ALLOC_IFNOTCACHED"
.Bl -tag -width ".Dv VM_ALLOC_NOBUSY"
.It Dv VM_ALLOC_NOBUSY
The returned page will not be exclusive busy.
.It Dv VM_ALLOC_NODUMP
@ -100,16 +98,6 @@ Do not associate the allocated page with a vm object.
The
.Fa object
argument is ignored.
.It Dv VM_ALLOC_IFCACHED
Allocate the page only if it is cached.
Otherwise, return
.Dv NULL .
.It Dv VM_ALLOC_IFNOTCACHED
Only allocate the page if it is not cached in the
.Fa object .
If the page at the specified
.Fa pindex
is cached, NULL is returned instead.
.It Dv VM_ALLOC_SBUSY
The returned page will be shared busy.
.It Dv VM_ALLOC_WIRED