Module Name: src
Committed By: ad
Date: Fri May 15 22:25:18 UTC 2020
Modified Files:
src/sys/uvm: uvm_page_status.c
Log Message:
uvm_pagemarkdirty(): no need to set radix tree tag unless page is currently
marked clean.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/uvm/uvm_page_status.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_page_status.c
diff -u src/sys/uvm/uvm_page_status.c:1.4 src/sys/uvm/uvm_page_status.c:1.5
--- src/sys/uvm/uvm_page_status.c:1.4 Sat Mar 14 20:45:23 2020
+++ src/sys/uvm/uvm_page_status.c Fri May 15 22:25:18 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_page_status.c,v 1.4 2020/03/14 20:45:23 ad Exp $ */
+/* $NetBSD: uvm_page_status.c,v 1.5 2020/05/15 22:25:18 ad Exp $ */
/*-
* Copyright (c)2011 YAMAMOTO Takashi,
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_page_status.c,v 1.4 2020/03/14 20:45:23 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_page_status.c,v 1.5 2020/05/15 22:25:18 ad Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -108,7 +108,7 @@ uvm_pagemarkdirty(struct vm_page *pg, un
if (newstatus == UVM_PAGE_STATUS_CLEAN) {
radix_tree_clear_tag(&uobj->uo_pages, idx,
UVM_PAGE_DIRTY_TAG);
- } else {
+ } else if (oldstatus == UVM_PAGE_STATUS_CLEAN) {
/*
* on first dirty page, mark the object dirty.
* for vnodes this inserts to the syncer worklist.
