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-rw-r--r--libc/sysdeps/linux/riscv64/bits/mman.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/riscv64/bits/mman.h b/libc/sysdeps/linux/riscv64/bits/mman.h
index 316f87d99..fa6f8e6a0 100644
--- a/libc/sysdeps/linux/riscv64/bits/mman.h
+++ b/libc/sysdeps/linux/riscv64/bits/mman.h
@@ -31,6 +31,7 @@
# define MAP_HUGETLB 0x40000 /* Create huge page mapping. */
# define MAP_SYNC 0x80000 /* Perform synchronous page
faults for the mapping. */
+# define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could - be uninitialized. */
#endif
/* Include generic Linux declarations. */