[PATCH v1 1/2] mm/vmalloc: export clear_vm_uninitialized_flag()

[Pasha Tatashin]

Make clear_vm_uninitialized_flag() available to other parts of the
kernel that need to manage vmalloc areas manually, such as KHO for
restoring vmallocs.

Signed-off-by: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
---
 mm/internal.h | 2 ++
 mm/vmalloc.c  | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/mm/internal.h b/mm/internal.h
index 39ab37bb0e1d..2daa6a744172 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -1469,6 +1469,8 @@ int __must_check vmap_pages_range_noflush(unsigned long addr, unsigned long end,
 }
 #endif
 
+void clear_vm_uninitialized_flag(struct vm_struct *vm);
+
 int __must_check __vmap_pages_range_noflush(unsigned long addr,
 			       unsigned long end, pgprot_t prot,
 			       struct page **pages, unsigned int page_shift);
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 56e3611c562a..33216b3c15de 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -3189,7 +3189,7 @@ void __init vm_area_register_early(struct vm_struct *vm, size_t align)
 	kasan_populate_early_vm_area_shadow(vm->addr, vm->size);
 }
 
-static void clear_vm_uninitialized_flag(struct vm_struct *vm)
+void clear_vm_uninitialized_flag(struct vm_struct *vm)
 {
 	/*
 	 * Before removing VM_UNINITIALIZED,
-- 
2.53.0.414.gf7e9f6c205-goog