include/linux/mempolicy.h: fix typo

Change "interlave" to "interleave".
Signed-off-by: Yanfei Xu <yanfei.xu@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200810063454.9357-1-yanfei.xu@windriver.comSigned-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/mempolicy.h

@@ -28,7 +28,7 @@ struct mm_struct;
  * the process policy is used. Interrupts ignore the memory policy
  * of the current process.
  *
- * Locking policy for interlave:
+ * Locking policy for interleave:
  * In process context there is no locking because only the process accesses
  * its own state. All vma manipulation is somewhat protected by a down_read on
  * mmap_lock.