git: 434b8658dc8d - stable/12 - Set uninitialized popmap bits in vm_reserv_init

From: Doug Moore <dougm_at_FreeBSD.org>
Date: Tue, 14 Dec 2021 05:15:08 UTC
The branch stable/12 has been updated by dougm:

URL: https://cgit.FreeBSD.org/src/commit/?id=434b8658dc8d5d42071814c42fb6d940dfc76972

commit 434b8658dc8d5d42071814c42fb6d940dfc76972
Author:     Doug Moore <dougm@FreeBSD.org>
AuthorDate: 2021-12-05 23:17:25 +0000
Commit:     Doug Moore <dougm@FreeBSD.org>
CommitDate: 2021-12-14 05:14:40 +0000

    Set uninitialized popmap bits in vm_reserv_init
    
    In vm_reserv_init, set all the marker popmap bits in vm_reserv_init,
    and not just the bits of the first popmap entry.
    
    Reviewed by:    markj
    MFC after:      1 week
    Differential Revision:  https://reviews.freebsd.org/D33258
    
    (cherry picked from commit 9f32cb5b1c81ceed28491c031cd109811a5f5d7a)
---
 sys/vm/vm_reserv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/vm/vm_reserv.c b/sys/vm/vm_reserv.c
index 5c6cad6056ad..f0fb3dc57c4c 100644
--- a/sys/vm/vm_reserv.c
+++ b/sys/vm/vm_reserv.c
@@ -1201,7 +1201,7 @@ vm_reserv_init(void)
 		 * partially populated reservation queues.
 		 */
 		rvd->marker.popcnt = VM_LEVEL_0_NPAGES;
-		for (j = 0; j < NBPOPMAP; j++)
+		for (j = 0; j < VM_LEVEL_0_NPAGES; j++)
 			popmap_set(rvd->marker.popmap, j);
 	}