Now that all module users of apply_to_page_range() have been removed,
unexport this function.
This is an unsafe function in that it gives direct access to the
page-tables.
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
mm/memory.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2544,13 +2544,14 @@ static int __apply_to_page_range(struct
/*
* Scan a region of virtual memory, filling in page tables as necessary
* and calling a provided function on each leaf page table.
+ *
+ * DO NOT EXPORT; this hands out our page-tables on a platter.
*/
int apply_to_page_range(struct mm_struct *mm, unsigned long addr,
unsigned long size, pte_fn_t fn, void *data)
{
return __apply_to_page_range(mm, addr, size, fn, data, true);
}
-EXPORT_SYMBOL_GPL(apply_to_page_range);
/*
* Scan a region of virtual memory, calling a provided function on
@@ -2558,6 +2559,8 @@ EXPORT_SYMBOL_GPL(apply_to_page_range);
*
* Unlike apply_to_page_range, this does _not_ fill in page tables
* where they are absent.
+ *
+ * DO NOT EXPORT; this hands out our page-tables on a platter.
*/
int apply_to_existing_page_range(struct mm_struct *mm, unsigned long addr,
unsigned long size, pte_fn_t fn, void *data)
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