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-rw-r--r--io_uring/memmap.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/io_uring/memmap.h b/io_uring/memmap.h
index c898dcba2b4e..dad0aa5b1b45 100644
--- a/io_uring/memmap.h
+++ b/io_uring/memmap.h
@@ -2,6 +2,7 @@
#define IO_URING_MEMMAP_H
#define IORING_MAP_OFF_PARAM_REGION 0x20000000ULL
+#define IORING_MAP_OFF_ZCRX_REGION 0x30000000ULL
struct page **io_pin_pages(unsigned long ubuf, unsigned long len, int *npages);