git: 4568f5a286a2 - main - kern_kcov: replace vm_page_next() with iterator

The branch main has been updated by dougm:

URL: https://cgit.FreeBSD.org/src/commit/?id=4568f5a286a212fcceaf9a9bb90eabc104829f49

commit 4568f5a286a212fcceaf9a9bb90eabc104829f49
Author:     Doug Moore <dougm@FreeBSD.org>
AuthorDate: 2025-04-18 17:18:00 +0000
Commit:     Doug Moore <dougm@FreeBSD.org>
CommitDate: 2025-04-18 17:24:04 +0000

    kern_kcov: replace vm_page_next() with iterator
    
    Use VM_RADIX_FORALL, and drop a use of vm_page_next(), in kcov_free().
    
    Reviewed by:    kib
    Differential Revision:  kern_kcov: replace vm_page_next() with iterator
---
 sys/kern/kern_kcov.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/sys/kern/kern_kcov.c b/sys/kern/kern_kcov.c
index 19d35a1ad961..1c1d924b8b79 100644
--- a/sys/kern/kern_kcov.c
+++ b/sys/kern/kern_kcov.c
@@ -396,20 +396,19 @@ kcov_alloc(struct kcov_info *info, size_t entries)
 static void
 kcov_free(struct kcov_info *info)
 {
+	struct pctrie_iter pages;
 	vm_page_t m;
-	size_t i;
 
 	if (info->kvaddr != 0) {
 		pmap_qremove(info->kvaddr, info->bufsize / PAGE_SIZE);
 		kva_free(info->kvaddr, info->bufsize);
 	}
 	if (info->bufobj != NULL) {
+		vm_page_iter_limit_init(&pages, info->bufobj,
+		    info->bufsize / PAGE_SIZE);
 		VM_OBJECT_WLOCK(info->bufobj);
-		m = vm_page_lookup(info->bufobj, 0);
-		for (i = 0; i < info->bufsize / PAGE_SIZE; i++) {
+		VM_RADIX_FORALL(m, &pages)
 			vm_page_unwire_noq(m);
-			m = vm_page_next(m);
-		}
 		VM_OBJECT_WUNLOCK(info->bufobj);
 		vm_object_deallocate(info->bufobj);
 	}