Sync with i386 - dont count needed bounce pages if loading a buffer that

was created with bud_dmamem_alloc()
2004-08-16 22:53:03 +00:00 · 2004-08-16 22:53:03 +00:00 · e4b3358b15
commit e4b3358b15
parent bbd7f0bea4
1 changed files with 1 additions and 1 deletions
--- a/sys/amd64/amd64/busdma_machdep.c
+++ b/sys/amd64/amd64/busdma_machdep.c
@ -526,7 +526,7 @@ _bus_dmamap_load_buffer(bus_dma_tag_t dmat,

 	if ((dmat->lowaddr < ptoa((vm_paddr_t)Maxmem)
 	 || dmat->boundary > 0 || dmat->alignment > 1)
-	 && map->pagesneeded == 0) {
+	 && map != &nobounce_dmamap && map->pagesneeded == 0) {
 		vm_offset_t	vendaddr;

 		/*