[src/netbsd-1-4]: src/sys/uvm pull up 1.23 -> 1.24:

[chs <chs%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/41b68b5de8a0
branches:  netbsd-1-4
changeset: 468286:41b68b5de8a0
user:      chs <chs%NetBSD.org@localhost>
date:      Fri Apr 16 16:27:36 1999 +0000

description:
pull up 1.23 -> 1.24:
add a `flags' argument to uvm_pagealloc_strat().
define a flag UVM_PGA_USERESERVE to allow non-kernel object
allocations to use pages from the reserve.
use the new flag for allocations in pmap modules.

diffstat:

 sys/uvm/uvm_extern.h |  15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)

diffs (43 lines):

diff -r 6946639cd234 -r 41b68b5de8a0 sys/uvm/uvm_extern.h
--- a/sys/uvm/uvm_extern.h      Fri Apr 16 16:27:13 1999 +0000
+++ b/sys/uvm/uvm_extern.h      Fri Apr 16 16:27:36 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_extern.h,v 1.23 1999/03/26 17:34:15 chs Exp $      */
+/*     $NetBSD: uvm_extern.h,v 1.23.2.1 1999/04/16 16:27:36 chs Exp $  */
 
 /*
  *
@@ -118,7 +118,6 @@
 /*
  * the following defines are for uvm_km_kmemalloc's flags
  */
-
 #define UVM_KMF_NOWAIT 0x1                     /* matches M_NOWAIT */
 #define UVM_KMF_VALLOC 0x2                     /* allocate VA only */
 #define UVM_KMF_TRYLOCK        UVM_FLAG_TRYLOCK        /* try locking only */
@@ -131,6 +130,11 @@
 #define        UVM_PGA_STRAT_FALLBACK  2       /* ONLY falls back on NORMAL */
 
 /*
+ * flags for uvm_pagealloc_strat()
+ */
+#define UVM_PGA_USERESERVE             0x0001
+
+/*
  * structures
  */
 
@@ -340,9 +344,10 @@
 
 /* uvm_page.c */
 struct vm_page         *uvm_pagealloc_strat __P((struct uvm_object *,
-                               vaddr_t, struct vm_anon *, int, int));
-#define        uvm_pagealloc(obj, off, anon) \
-           uvm_pagealloc_strat((obj), (off), (anon), UVM_PGA_STRAT_NORMAL, 0)
+                               vaddr_t, struct vm_anon *, int, int, int));
+#define        uvm_pagealloc(obj, off, anon, flags) \
+           uvm_pagealloc_strat((obj), (off), (anon), (flags), \
+                               UVM_PGA_STRAT_NORMAL, 0)
 void                   uvm_pagerealloc __P((struct vm_page *, 
                                             struct uvm_object *, vaddr_t));
 /* Actually, uvm_page_physload takes PF#s which need their own type */