Author: mhorne
Date: Sat Nov 16 01:25:51 2019
New Revision: 354765
URL: https://svnweb.freebsd.org/changeset/base/354765
Log:
RISC-V: busdma_bounce: fix BUS_DMA_ALLOCNOW for non-paged aligned sizes
RISC-V inherited this code from arm64, so implement the fix from r354712.
See the revision for the full description.
Submitted by: kevans (arm64 version)
Modified:
head/sys/riscv/riscv/busdma_bounce.c
Modified: head/sys/riscv/riscv/busdma_bounce.c
==============================================================================
--- head/sys/riscv/riscv/busdma_bounce.c Sat Nov 16 00:52:04 2019
(r354764)
+++ head/sys/riscv/riscv/busdma_bounce.c Sat Nov 16 01:25:51 2019
(r354765)
@@ -214,7 +214,7 @@ bounce_bus_dma_tag_create(bus_dma_tag_t parent, bus_si
if (ptoa(bz->total_bpages) < maxsize) {
int pages;
- pages = atop(maxsize) - bz->total_bpages;
+ pages = atop(round_page(maxsize)) - bz->total_bpages;
/* Add pages to our bounce pool */
if (alloc_bounce_pages(newtag, pages) < pages)
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