diff options
Diffstat (limited to 'arch/score/kernel/sys_score.c')
| -rw-r--r-- | arch/score/kernel/sys_score.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c index 61aff8a93443..001249469866 100644 --- a/arch/score/kernel/sys_score.c +++ b/arch/score/kernel/sys_score.c @@ -25,6 +25,7 @@ #include <linux/file.h> #include <linux/fs.h> +#include <linux/mm.h> #include <linux/mman.h> #include <linux/module.h> #include <linux/unistd.h> @@ -49,8 +50,7 @@ sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, } down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, addr, len, prot, flags, - pgoff >> (PAGE_SHIFT - 12)); + error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); up_write(¤t->mm->mmap_sem); if (file) @@ -59,6 +59,19 @@ sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, return error; } +asmlinkage long +sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, + unsigned long flags, unsigned long fd, off_t pgoff) +{ + return sys_mmap2(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT); +} + +asmlinkage long +score_fork(struct pt_regs *regs) +{ + return do_fork(SIGCHLD, regs->regs[0], regs, 0, NULL, NULL); +} + /* * Clone a task - this clones the calling program thread. * This is called indirectly via a small wrapper @@ -81,6 +94,13 @@ score_clone(struct pt_regs *regs) parent_tidptr, child_tidptr); } +asmlinkage long +score_vfork(struct pt_regs *regs) +{ + return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, + regs->regs[0], regs, 0, NULL, NULL); +} + /* * sys_execve() executes a new program. * This is called indirectly via a small wrapper |