fix broken offset argument to the mmap2 syscall on or1k

for or1k, the kernel expects the offset passed to mmap2 in units of
the 8k page size, not the standard unit of 4k used on most other
archs.

diff --git a/arch/or1k/syscall_arch.h b/arch/or1k/syscall_arch.h
index aa1e623d4919cc9f46ac5cad566052dc7289d5c6..9d90b11e1c5f824992f417ad7f684c9c495b9ec7 100644 (file)
--- a/arch/or1k/syscall_arch.h
+++ b/arch/or1k/syscall_arch.h
@@ -3,6 +3,8 @@
 ((union { long long ll; long l[2]; }){ .ll = x }).l[1]
 #define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
 
+#define SYSCALL_MMAP2_UNIT 8192ULL
+
 long (__syscall)(long, ...);
 
 #ifndef __clang__