Module Name: src
Committed By: ad
Date: Sat Dec 21 12:58:26 UTC 2019
Modified Files:
src/sys/uvm: uvm_extern.h uvm_page.c
Log Message:
Add uvm_free(): returns number of free pages in system.
To generate a diff of this commit:
cvs rdiff -u -r1.214 -r1.215 src/sys/uvm/uvm_extern.h
cvs rdiff -u -r1.206 -r1.207 src/sys/uvm/uvm_page.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/uvm/uvm_extern.h
diff -u src/sys/uvm/uvm_extern.h:1.214 src/sys/uvm/uvm_extern.h:1.215
--- src/sys/uvm/uvm_extern.h:1.214 Mon Dec 16 22:47:55 2019
+++ src/sys/uvm/uvm_extern.h Sat Dec 21 12:58:26 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_extern.h,v 1.214 2019/12/16 22:47:55 ad Exp $ */
+/* $NetBSD: uvm_extern.h,v 1.215 2019/12/21 12:58:26 ad Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -735,6 +735,7 @@ int uvm_obj_wirepages(struct uvm_objec
void uvm_obj_unwirepages(struct uvm_object *, off_t, off_t);
/* uvm_page.c */
+int uvm_free(void);
struct vm_page *uvm_pagealloc_strat(struct uvm_object *,
voff_t, struct vm_anon *, int, int, int);
#define uvm_pagealloc(obj, off, anon, flags) \
Index: src/sys/uvm/uvm_page.c
diff -u src/sys/uvm/uvm_page.c:1.206 src/sys/uvm/uvm_page.c:1.207
--- src/sys/uvm/uvm_page.c:1.206 Wed Dec 18 20:38:14 2019
+++ src/sys/uvm/uvm_page.c Sat Dec 21 12:58:26 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_page.c,v 1.206 2019/12/18 20:38:14 ad Exp $ */
+/* $NetBSD: uvm_page.c,v 1.207 2019/12/21 12:58:26 ad Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -66,7 +66,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_page.c,v 1.206 2019/12/18 20:38:14 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_page.c,v 1.207 2019/12/21 12:58:26 ad Exp $");
#include "opt_ddb.h"
#include "opt_uvm.h"
@@ -746,6 +746,17 @@ attachrnd:
}
/*
+ * uvm_free: return total number of free pages in system.
+ */
+
+int
+uvm_free(void)
+{
+
+ return uvmexp.free;
+}
+
+/*
* uvm_pagealloc_pgfl: helper routine for uvm_pagealloc_strat
*/
