Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 19 Apr 2025 17:36:20 GMT
From:      Doug Moore <dougm@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: aae4bd0ea4b6 - main - vm_fault: use iterator in populate_cleanup
Message-ID:  <202504191736.53JHaKwr022891@gitrepo.freebsd.org>

next in thread | raw e-mail | index | archive | help
The branch main has been updated by dougm:

URL: https://cgit.FreeBSD.org/src/commit/?id=aae4bd0ea4b62e4a1361c2b08f11a517f6af7ac3

commit aae4bd0ea4b62e4a1361c2b08f11a517f6af7ac3
Author:     Doug Moore <dougm@FreeBSD.org>
AuthorDate: 2025-04-19 17:34:40 +0000
Commit:     Doug Moore <dougm@FreeBSD.org>
CommitDate: 2025-04-19 17:36:10 +0000

    vm_fault: use iterator in populate_cleanup
    
    Change vm_fault_populate_cleanup() to use a page iterator, rather than
    tailq pointers.
    
    Reviewed by:    kib
    Differential Revision:  https://reviews.freebsd.org/D49900
---
 sys/vm/vm_fault.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c
index e1db7ac8b524..1950ac4b41b3 100644
--- a/sys/vm/vm_fault.c
+++ b/sys/vm/vm_fault.c
@@ -108,6 +108,7 @@
 #include <vm/vm_radix.h>
 #include <vm/vm_extern.h>
 #include <vm/vm_reserv.h>
+#include <vm/vm_radix.h>
 
 #define PFBAK 4
 #define PFFOR 4
@@ -480,19 +481,18 @@ static void
 vm_fault_populate_cleanup(vm_object_t object, vm_pindex_t first,
     vm_pindex_t last)
 {
+	struct pctrie_iter pages;
 	vm_page_t m;
-	vm_pindex_t pidx;
 
 	VM_OBJECT_ASSERT_WLOCKED(object);
 	MPASS(first <= last);
-	for (pidx = first, m = vm_page_lookup(object, pidx);
-	    pidx <= last; pidx++, m = TAILQ_NEXT(m, listq)) {
-		KASSERT(m != NULL && m->pindex == pidx,
-		    ("%s: pindex mismatch", __func__));
+	vm_page_iter_limit_init(&pages, object, last + 1);
+	VM_RADIX_FORALL_FROM(m, &pages, first) {
 		vm_fault_populate_check_page(m);
 		vm_page_deactivate(m);
 		vm_page_xunbusy(m);
 	}
+	KASSERT(pages.index == last, ("%s: pindex mismatch", __func__));
 }
 
 static enum fault_status



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202504191736.53JHaKwr022891>