diff options
Diffstat (limited to 'arch/um/sys-x86_64/unmap.c')
| -rw-r--r-- | arch/um/sys-x86_64/unmap.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/um/sys-x86_64/unmap.c b/arch/um/sys-x86_64/unmap.c index f4a4bffd8a18b..57c9286a701bc 100644 --- a/arch/um/sys-x86_64/unmap.c +++ b/arch/um/sys-x86_64/unmap.c @@ -5,20 +5,17 @@ #include <linux/mman.h> #include <asm/unistd.h> +#include <sys/syscall.h> -static int errno; - -static inline _syscall2(int,munmap,void *,start,size_t,len) -static inline _syscall6(void *,mmap,void *,addr,size_t,len,int,prot,int,flags,int,fd,off_t,offset) int switcheroo(int fd, int prot, void *from, void *to, int size) { - if(munmap(to, size) < 0){ + if (syscall(__NR_munmap, to, size) < 0){ return(-1); } - if(mmap(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1){ + if (syscall(__NR_mmap, to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1){ return(-1); } - if(munmap(from, size) < 0){ + if (syscall(__NR_munmap, from, size) < 0){ return(-1); } return(0); |