mm: export find_extend_vma() and handle_mm_fault() for driver use
This lets drivers like the AMD IOMMUv2 driver handle faults a bit more
simply, rather than doing tricks with page refs and get_user_pages().
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Oded Gabbay <oded.gabbay@amd.com>
Cc: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/mmap.c b/mm/mmap.c
index 0d84b2f..7b36aa7 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2362,6 +2362,8 @@
}
#endif
+EXPORT_SYMBOL_GPL(find_extend_vma);
+
/*
* Ok - we have the memory areas we should free on the vma list,
* so release them, and do the vma updates.