mm: more vma cache removal

Link: https://lkml.kernel.org/r/[email protected]
Fixes: 7964cf8 ("mm: remove vmacache")
Signed-off-by: Alexey Dobriyan <[email protected]>
Acked-by: Liam Howlett <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Alexey Dobriyan

include/linux/sched.h

@@ -861,8 +861,6 @@ struct task_struct {
 	struct mm_struct		*mm;
 	struct mm_struct		*active_mm;
 
-	/* Per-thread vma caching: */
-
 #ifdef SPLIT_RSS_COUNTING
 	struct task_rss_stat		rss_stat;
 #endif