git: b60c5233770c - main - arm64: busdma_bounce: Only use bufzone if it can meet requested alignment

The branch main has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=b60c5233770cdbec77596c81e031cf874267efd4

commit b60c5233770cdbec77596c81e031cf874267efd4
Author:     Sarah Walker <sarah.walker2@arm.com>
AuthorDate: 2026-09-08 03:06:18 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2026-09-08 03:06:18 +0000

    arm64: busdma_bounce: Only use bufzone if it can meet requested alignment
    
    Reported by:    alc
    Tested by:      alc
    Reviewed by:    andrew
    Sponsored by:   Arm Ltd
    Differential Revision:  https://reviews.freebsd.org/D59476
---
 sys/arm64/arm64/busdma_bounce.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/arm64/arm64/busdma_bounce.c b/sys/arm64/arm64/busdma_bounce.c
index db7e108812aa..7cf62061d56a 100644
--- a/sys/arm64/arm64/busdma_bounce.c
+++ b/sys/arm64/arm64/busdma_bounce.c
@@ -589,7 +589,7 @@ bounce_bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
 
 	if (bufzone &&
 	    dmat->alloc_size <= PAGE_SIZE &&
-	    dmat->alloc_alignment <= PAGE_SIZE &&
+	    dmat->alloc_alignment <= bufzone->size &&
 	    dmat->common.lowaddr >= ptoa((vm_paddr_t)Maxmem) &&
 	    attr == VM_MEMATTR_DEFAULT) {
 		*vaddr = uma_zalloc(bufzone->umazone, mflags);