From: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
to avoid static declarations.
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
---
mm/execmem.c | 44 +++++++++++++++++++++-----------------------
1 file changed, 21 insertions(+), 23 deletions(-)
diff --git a/mm/execmem.c b/mm/execmem.c
index 4670e97f8e4e..056d3caaf4a1 100644
--- a/mm/execmem.c
+++ b/mm/execmem.c
@@ -137,6 +137,27 @@ static int execmem_set_direct_map_valid(struct vm_struct *vm, bool valid)
return err;
}
+static int execmem_force_rw(void *ptr, size_t size)
+{
+ unsigned int nr = PAGE_ALIGN(size) >> PAGE_SHIFT;
+ unsigned long addr = (unsigned long)ptr;
+ int ret;
+
+ ret = set_memory_nx(addr, nr);
+ if (ret)
+ return ret;
+
+ return set_memory_rw(addr, nr);
+}
+
+int execmem_restore_rox(void *ptr, size_t size)
+{
+ unsigned int nr = PAGE_ALIGN(size) >> PAGE_SHIFT;
+ unsigned long addr = (unsigned long)ptr;
+
+ return set_memory_rox(addr, nr);
+}
+
static void execmem_cache_clean(struct work_struct *work)
{
struct maple_tree *free_areas = &execmem_cache.free_areas;
@@ -328,8 +349,6 @@ static inline void *pending_free_clear(void *ptr)
return (void *)((unsigned long)ptr & ~PENDING_FREE_MASK);
}
-static int execmem_force_rw(void *ptr, size_t size);
-
static int __execmem_cache_free(struct ma_state *mas, void *ptr, gfp_t gfp_mask)
{
size_t size = mas_range_len(mas);
@@ -415,27 +434,6 @@ static bool execmem_cache_free(void *ptr)
return true;
}
-static int execmem_force_rw(void *ptr, size_t size)
-{
- unsigned int nr = PAGE_ALIGN(size) >> PAGE_SHIFT;
- unsigned long addr = (unsigned long)ptr;
- int ret;
-
- ret = set_memory_nx(addr, nr);
- if (ret)
- return ret;
-
- return set_memory_rw(addr, nr);
-}
-
-int execmem_restore_rox(void *ptr, size_t size)
-{
- unsigned int nr = PAGE_ALIGN(size) >> PAGE_SHIFT;
- unsigned long addr = (unsigned long)ptr;
-
- return set_memory_rox(addr, nr);
-}
-
#else /* CONFIG_ARCH_HAS_EXECMEM_ROX */
/*
* when ROX cache is not used the permissions defined by architectures for
--
2.47.2