From 92ade52f26555f15880b42405e35f0cfbb8ea7db Mon Sep 17 00:00:00 2001 From: Bui Quang Minh Date: Fri, 21 Feb 2025 15:59:33 +0700 Subject: [PATCH] io_uring: add missing IORING_MAP_OFF_ZCRX_REGION in io_uring_mmap Allow user to mmap the kernel allocated zerocopy-rx refill queue. Signed-off-by: Bui Quang Minh Reviewed-by: Pavel Begunkov Reviewed-by: Li Zetao Link: https://lore.kernel.org/r/20250221085933.26034-1-minhquangbui99@gmail.com Signed-off-by: Jens Axboe --- io_uring/memmap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/io_uring/memmap.c b/io_uring/memmap.c index 361134544427..76fcc79656b0 100644 --- a/io_uring/memmap.c +++ b/io_uring/memmap.c @@ -271,6 +271,8 @@ static struct io_mapped_region *io_mmap_get_region(struct io_ring_ctx *ctx, return io_pbuf_get_region(ctx, bgid); case IORING_MAP_OFF_PARAM_REGION: return &ctx->param_region; + case IORING_MAP_OFF_ZCRX_REGION: + return &ctx->zcrx_region; } return NULL; }