fs/proc/kcore.c: use PAGE_ALIGN instead of ALIGN(PAGE_SIZE)

Use mm.h definition.
Signed-off-by: NFabian Frederick <fabf@skynet.be>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Acked-by: NDavid Rientjes <rientjes@google.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

fs/proc/kcore.c

@@ -172,7 +172,7 @@ get_sparsemem_vmemmap_info(struct kcore_list *ent, struct list_head *head)
 
 	start = ((unsigned long)pfn_to_page(pfn)) & PAGE_MASK;
 	end = ((unsigned long)pfn_to_page(pfn + nr_pages)) - 1;
-	end = ALIGN(end, PAGE_SIZE);
+	end = PAGE_ALIGN(end);
 	/* overlap check (because we have to align page */
 	list_for_each_entry(tmp, head, list) {
 		if (tmp->type != KCORE_VMEMMAP)