optimize malloc0

[musl] / src / fcntl / posix_fadvise.c

diff --git a/src/fcntl/posix_fadvise.c b/src/fcntl/posix_fadvise.c
index 75edafa..c1a0ef5 100644 (file)
--- a/src/fcntl/posix_fadvise.c
+++ b/src/fcntl/posix_fadvise.c
@@ -1,8 +1,19 @@
 #include <fcntl.h>
 #include "syscall.h"
+#include "libc.h"
 
 int posix_fadvise(int fd, off_t base, off_t len, int advice)
 {
-       return -__syscall(SYS_fadvise, fd, __SYSCALL_LL(base),
-               __SYSCALL_LL(len), advice);
+#if defined(SYSCALL_FADVISE_6_ARG)
+       /* Some archs, at least arm and powerpc, have the syscall
+        * arguments reordered to avoid needing 7 argument registers
+        * due to 64-bit argument alignment. */
+       return -__syscall(SYS_fadvise, fd, advice,
+               __SYSCALL_LL_E(base), __SYSCALL_LL_E(len));
+#else
+       return -__syscall(SYS_fadvise, fd, __SYSCALL_LL_O(base),
+               __SYSCALL_LL_E(len), advice);
+#endif
 }
+
+LFS64(posix_fadvise);