CVS commit: src/sys/uvm

[matthew green]

Module Name:    src
Committed By:   mrg
Date:           Thu Dec  1 02:09:03 UTC 2016

Modified Files:
        src/sys/uvm: files.uvm uvm_map.c

Log Message:
allow the sizes of the maphist and pdhist to be set in the config
file via UVMHIST_MAPHIST_SIZE and UVMHIST_PDHIST_SIZE.


To generate a diff of this commit:
cvs rdiff -u -r1.26 -r1.27 src/sys/uvm/files.uvm
cvs rdiff -u -r1.341 -r1.342 src/sys/uvm/uvm_map.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/files.uvm
diff -u src/sys/uvm/files.uvm:1.26 src/sys/uvm/files.uvm:1.27
--- src/sys/uvm/files.uvm:1.26	Fri Aug 12 13:40:21 2016
+++ src/sys/uvm/files.uvm	Thu Dec  1 02:09:03 2016
@@ -1,10 +1,11 @@
-#	$NetBSD: files.uvm,v 1.26 2016/08/12 13:40:21 skrll Exp $
+#	$NetBSD: files.uvm,v 1.27 2016/12/01 02:09:03 mrg Exp $
 
 #
 # UVM options
 # 
 defflag opt_uvmhist.h		UVMHIST: KERNHIST
 defflag opt_uvmhist.h		UVMHIST_PRINT: KERNHIST_PRINT
+defparam opt_uvmhist.h		UVMHIST_MAPHIST_SIZE UVMHIST_PDHIST_SIZE
 defflag opt_uvm.h		USE_TOPDOWN_VM UVMMAP_COUNTERS
 defparam opt_uvm.h		UVM_RESERVED_PAGES_PER_CPU
 defflag opt_vmswap.h		VMSWAP

Index: src/sys/uvm/uvm_map.c
diff -u src/sys/uvm/uvm_map.c:1.341 src/sys/uvm/uvm_map.c:1.342
--- src/sys/uvm/uvm_map.c:1.341	Sat Aug  6 15:13:14 2016
+++ src/sys/uvm/uvm_map.c	Thu Dec  1 02:09:03 2016
@@ -1,4 +1,4 @@
-/*	$NetBSD: uvm_map.c,v 1.341 2016/08/06 15:13:14 maxv Exp $	*/
+/*	$NetBSD: uvm_map.c,v 1.342 2016/12/01 02:09:03 mrg Exp $	*/
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -66,7 +66,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.341 2016/08/06 15:13:14 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.342 2016/12/01 02:09:03 mrg Exp $");
 
 #include "opt_ddb.h"
 #include "opt_uvmhist.h"
@@ -100,7 +100,13 @@ __KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 
 #endif
 
 #ifdef UVMHIST
-static struct kern_history_ent maphistbuf[100];
+#ifndef UVMHIST_MAPHIST_SIZE
+#define UVMHIST_MAPHIST_SIZE 100
+#endif
+#ifndef UVMHIST_PDHIST_SIZE
+#define UVMHIST_PDHIST_SIZE 100
+#endif
+static struct kern_history_ent maphistbuf[UVMHIST_MAPHIST_SIZE];
 UVMHIST_DEFINE(maphist) = UVMHIST_INITIALIZER(maphist, maphistbuf);
 #endif
 
@@ -884,7 +890,7 @@ void
 uvm_map_init(void)
 {
 #if defined(UVMHIST)
-	static struct kern_history_ent pdhistbuf[100];
+	static struct kern_history_ent pdhistbuf[UVMHIST_PDHIST_SIZE];
 #endif
 
 	/*