mm,page_owner: don't remove __GFP_NOLOCKDEP in add_stack_record_to_list

Otherwise we'll generate false lockdep positives.

Link: https://lkml.kernel.org/r/[email protected]
Fixes: 217b211 ("mm,page_owner: implement the tracking of the stacks count")
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Vlastimil Babka <[email protected]>
Acked-by: Oscar Salvador <[email protected]>
Cc: Andrey Konovalov <[email protected]>
Cc: Darrick J. Wong <[email protected]>
Cc: Dave Chinner <[email protected]>
Cc: Marco Elver <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Christoph Hellwig

mm/page_owner.c

@@ -170,7 +170,7 @@ static void add_stack_record_to_list(struct stack_record *stack_record,
 
 	/* Filter gfp_mask the same way stackdepot does, for consistency */
 	gfp_mask &= ~GFP_ZONEMASK;
-	gfp_mask &= (GFP_ATOMIC | GFP_KERNEL);
+	gfp_mask &= (GFP_ATOMIC | GFP_KERNEL | __GFP_NOLOCKDEP);
 	gfp_mask |= __GFP_NOWARN;
 
 	set_current_in_page_owner();