48 		     unsigned long start, unsigned long end, int behavior)  in madvise_behavior()  argument
87 		error = ksm_madvise(vma, start, end, behavior, &new_flags);  in madvise_behavior()
104 	pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);  in madvise_behavior()
105 	*prev = vma_merge(mm, *prev, start, end, new_flags, vma->anon_vma,  in madvise_behavior()
115 	if (start != vma->vm_start) {  in madvise_behavior()
116 		error = split_vma(mm, vma, start, 1);  in madvise_behavior()
140 static int swapin_walk_pmd_entry(pmd_t *pmd, unsigned long start,  in swapin_walk_pmd_entry()  argument
150 	for (index = start; index != end; index += PAGE_SIZE) {  in swapin_walk_pmd_entry()
156 		orig_pte = pte_offset_map_lock(vma->vm_mm, pmd, start, &ptl);  in swapin_walk_pmd_entry()
157 		pte = *(orig_pte + ((index - start) / PAGE_SIZE));  in swapin_walk_pmd_entry()
176 		unsigned long start, unsigned long end)  in force_swapin_readahead()  argument
184 	walk_page_range(start, end, &walk);  in force_swapin_readahead()
190 		unsigned long start, unsigned long end,  in force_shm_swapin_readahead()  argument
197 	for (; start < end; start += PAGE_SIZE) {  in force_shm_swapin_readahead()
198 		index = ((start - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;  in force_shm_swapin_readahead()
222 			     unsigned long start, unsigned long end)  in madvise_willneed()  argument
229 		force_swapin_readahead(vma, start, end);  in madvise_willneed()
235 		force_shm_swapin_readahead(vma, start, end,  in madvise_willneed()
250 	start = ((start - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;  in madvise_willneed()
255 	force_page_cache_readahead(file->f_mapping, file, start, end - start);  in madvise_willneed()
280 			     unsigned long start, unsigned long end)  in madvise_dontneed()  argument
286 	zap_page_range(vma, start, end - start, NULL);  in madvise_dontneed()
296 				unsigned long start, unsigned long end)  in madvise_remove()  argument
316 	offset = (loff_t)(start - vma->vm_start)  in madvise_remove()
329 				offset, end - start);  in madvise_remove()
339 static int madvise_hwpoison(int bhv, unsigned long start, unsigned long end)  in madvise_hwpoison()  argument
344 	for (; start < end; start += PAGE_SIZE <<  in madvise_hwpoison()
348 		ret = get_user_pages_fast(start, 1, 0, &p);  in madvise_hwpoison()
358 				page_to_pfn(p), start);  in madvise_hwpoison()
365 		       page_to_pfn(p), start);  in madvise_hwpoison()
375 		unsigned long start, unsigned long end, int behavior)  in madvise_vma()  argument
379 		return madvise_remove(vma, prev, start, end);  in madvise_vma()
381 		return madvise_willneed(vma, prev, start, end);  in madvise_vma()
383 		return madvise_dontneed(vma, prev, start, end);  in madvise_vma()
385 		return madvise_behavior(vma, prev, start, end, behavior);  in madvise_vma()
460 SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior)  in SYSCALL_DEFINE3()  argument
472 		return madvise_hwpoison(behavior, start, start+len_in);  in SYSCALL_DEFINE3()
477 	if (start & ~PAGE_MASK)  in SYSCALL_DEFINE3()
485 	end = start + len;  in SYSCALL_DEFINE3()
486 	if (end < start)  in SYSCALL_DEFINE3()
490 	if (end == start)  in SYSCALL_DEFINE3()
504 	vma = find_vma_prev(current->mm, start, &prev);  in SYSCALL_DEFINE3()
505 	if (vma && start > vma->vm_start)  in SYSCALL_DEFINE3()
516 		if (start < vma->vm_start) {  in SYSCALL_DEFINE3()
518 			start = vma->vm_start;  in SYSCALL_DEFINE3()
519 			if (start >= end)  in SYSCALL_DEFINE3()
529 		error = madvise_vma(vma, &prev, start, tmp, behavior);  in SYSCALL_DEFINE3()
532 		start = tmp;  in SYSCALL_DEFINE3()
533 		if (prev && start < prev->vm_end)  in SYSCALL_DEFINE3()
534 			start = prev->vm_end;  in SYSCALL_DEFINE3()
536 		if (start >= end)  in SYSCALL_DEFINE3()
541 			vma = find_vma(current->mm, start);  in SYSCALL_DEFINE3()