[PATCH] uml: restrict tlb flushing

One of UML's tlb flushing routines was ignoring the address range passed in by
its callers.  This patch fixes that.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/um/kernel/skas/tlb.c

@@ -77,7 +77,7 @@ void flush_tlb_kernel_range_skas(unsigned long start, unsigned long end)
 	int updated = 0, err;
 
 	mm = &init_mm;
-	for(addr = start_vm; addr < end_vm;){
+	for(addr = start; addr < end;){
 		pgd = pgd_offset(mm, addr);
 		pmd = pmd_offset(pgd, addr);
 		if(pmd_present(*pmd)){