riscv: add the MAP_UNINITIALIZED definition

This avoids a nommu build failure.

Signed-off-by: Christoph Hellwig <[email protected]>

diff --git a/libc/sysdeps/linux/riscv64/bits/mman.h b/libc/sysdeps/linux/riscv64/bits/mman.h
index 316f87d99174fcba87e7a242c0865a20b9fa351a..fa6f8e6a038daaed7681305bbf9c9eaae3f16fa1 100644 (file)
--- 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.  */