VM_FLUSH_RESET_PERMS is just for use with vmalloc as it is tied to freeing the underlying pages. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- mm/vmalloc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 0781c5a8e0e73d..6957d15d526e46 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2883,6 +2883,9 @@ void *vmap(struct page **pages, unsigned int count, might_sleep(); + if (WARN_ON_ONCE(flags & VM_FLUSH_RESET_PERMS)) + return NULL; + /* * Your top guard is someone else's bottom guard. Not having a top * guard compromises someone else's mappings too. -- 2.39.0
