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As a bonus, it'd now be able to use larger chunks if dma addresses are coalesced e.g by iommu. Fixes: 8c0cab0b7bf76 ("always dma map in advance") Signed-off-by: Pavel Begunkov --- io_uring/zcrx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c index fc6199edad34..0f98a3c74e2a 100644 --- a/io_uring/zcrx.c +++ b/io_uring/zcrx.c @@ -63,7 +63,7 @@ static int io_area_max_shift(struct io_zcrx_mem *mem) unsigned i; for_each_sgtable_dma_sg(sgt, sg, i) - shift = min(shift, __ffs(sg->length)); + shift = min(shift, __ffs(sg_dma_len(sg))); return shift; } -- 2.53.0