#include <asm/uaccess.h>
#include <asm/ia32.h>
-/*
- * sys_pipe() is the normal C calling standard for creating
- * a pipe. It's not the way Unix traditionally does this, though.
- */
-asmlinkage long sys_pipe(int __user *fildes)
-{
- int fd[2];
- int error;
-
- error = do_pipe(fd);
- if (!error) {
- if (copy_to_user(fildes, fd, 2*sizeof(int)))
- error = -EFAULT;
- }
- return error;
-}
-
asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long off)
{
/* check if free_area_cache is useful for us */
if (len <= mm->cached_hole_size) {
- mm->cached_hole_size = 0;
- mm->free_area_cache = mm->mmap_base;
- }
+ mm->cached_hole_size = 0;
+ mm->free_area_cache = mm->mmap_base;
+ }
/* either no address requested or can't fit in requested address hole */
addr = mm->free_area_cache;
/* remember the address as a hint for next time */
return (mm->free_area_cache = addr);
- /* remember the largest hole we saw so far */
- if (addr + mm->cached_hole_size < vma->vm_start)
- mm->cached_hole_size = vma->vm_start - addr;
+ /* remember the largest hole we saw so far */
+ if (addr + mm->cached_hole_size < vma->vm_start)
+ mm->cached_hole_size = vma->vm_start - addr;
/* try just below the current vma->vm_start */
addr = vma->vm_start-len;
* allocations.
*/
mm->cached_hole_size = ~0UL;
- mm->free_area_cache = TASK_UNMAPPED_BASE;
+ mm->free_area_cache = TASK_UNMAPPED_BASE;
addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags);
/*
* Restore the topdown base: