if (addr + mm->cached_hole_size < vma->vm_start) mm->cached_hole_size = vma->vm_start - addr;  
unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags){	struct mm_struct *mm = current->mm;	struct vm_area_struct * vma;	unsigned long task_size = TASK_SIZE;	unsigned long start_addr;	int do_color_align;	if (flags & MAP_FIXED) {		/* We do not accept a shared mapping if it would violate		 * cache aliasing constraints.		 */		if ((flags & MAP_SHARED) &&		    ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))			return -EINVAL;		return addr;	}	if (test_thread_flag(TIF_32BIT))		task_size = 0xf0000000UL;	if (len > task_size || len > -PAGE_OFFSET)		return -ENOMEM;	do_color_align = 0;	if (filp || (flags & MAP_SHARED))		do_color_align = 1;	if (addr) {		if (do_color_align)			addr = COLOUR_ALIGN(addr, pgoff);		else			addr = PAGE_ALIGN(addr);		vma = find_vma(mm, addr);		if (task_size - len >= addr &&		    (!vma || addr + len <= vma->vm_start))			return addr;	}	start_addr = addr = mm->free_area_cache;	task_size -= len;full_search:	if (do_color_align)		addr = COLOUR_ALIGN(addr, pgoff);	else		addr = PAGE_ALIGN(addr);	for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {		/* At this point:  (!vma || addr < vma->vm_end). */		if (addr < PAGE_OFFSET && -PAGE_OFFSET - len < addr) {			addr = PAGE_OFFSET;			vma = find_vma(mm, PAGE_OFFSET);		}		if (task_size < addr) {			if (start_addr != TASK_UNMAPPED_BASE) {				start_addr = addr = TASK_UNMAPPED_BASE;				goto full_search;			}			return -ENOMEM;		}		if (!vma || addr + len <= vma->vm_start) {			/*			 * Remember the place where we stopped the search:			 */			mm->free_area_cache = addr + len;			return addr;		}		addr = vma->vm_end;		if (do_color_align)			addr = COLOUR_ALIGN(addr, pgoff);	}}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/1363c3cd8603a913a27e2995dccbd70d5312d8e6/sys_sparc.c/clean/arch/sparc64/kernel/sys_sparc.c