ARM: 6899/1: fix the note about dcache lazy flushing for SMP systems

Acked-by: Catalin Marinas <[e-mail]>
Signed-off-by: Saeed Bishara <[e-mail]>
Signed-off-by: Russell King <[e-mail]>

arch/arm/mm/flush.c

···
  *  kernel cache lines for later.  Otherwise, we assume we have
  *  aliasing mappings.
  *
- * Note that we disable the lazy flush for SMP.
+ * Note that we disable the lazy flush for SMP configurations where
+ * the cache maintenance operations are not automatically broadcasted.
  */
 void flush_dcache_page(struct page *page)
 {