mm: vmalloc: use const void * for caller argument

'const void *' is a safer type for caller function type. This patch
updates all references to caller function type.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Minchan Kim <minchan@kernel.org>

1 files changed, 9 insertions, 9 deletions

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 2aad49981b57..11308f034f85 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1280,7 +1280,7 @@ DEFINE_RWLOCK(vmlist_lock);
 struct vm_struct *vmlist;
 
 static void setup_vmalloc_vm(struct vm_struct *vm, struct vmap_area *va,
-                              unsigned long flags, void *caller)
+                              unsigned long flags, const void *caller)
 {
         vm->flags = flags;
         vm->addr = (void *)va->va_start;
@@ -1306,7 +1306,7 @@ static void insert_vmalloc_vmlist(struct vm_struct *vm)
 }
 
 static void insert_vmalloc_vm(struct vm_struct *vm, struct vmap_area *va,
-                              unsigned long flags, void *caller)
+                              unsigned long flags, const void *caller)
 {
         setup_vmalloc_vm(vm, va, flags, caller);
         insert_vmalloc_vmlist(vm);
@@ -1314,7 +1314,7 @@ static void insert_vmalloc_vm(struct vm_struct *vm, struct vmap_area *va,
 
 static struct vm_struct *__get_vm_area_node(unsigned long size,
                 unsigned long align, unsigned long flags, unsigned long start,
-                unsigned long end, int node, gfp_t gfp_mask, void *caller)
+                unsigned long end, int node, gfp_t gfp_mask, const void *caller)
 {
         struct vmap_area *va;
         struct vm_struct *area;
@@ -1375,7 +1375,7 @@ EXPORT_SYMBOL_GPL(__get_vm_area);
 
 struct vm_struct *__get_vm_area_caller(unsigned long size, unsigned long flags,
                                        unsigned long start, unsigned long end,
-                                       void *caller)
+                                       const void *caller)
 {
         return __get_vm_area_node(size, 1, flags, start, end, -1, GFP_KERNEL,
                                   caller);
@@ -1397,7 +1397,7 @@ struct vm_struct *get_vm_area(unsigned long size, unsigned long flags)
 }
 
 struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
-                                void *caller)
+                                const void *caller)
 {
         return __get_vm_area_node(size, 1, flags, VMALLOC_START, VMALLOC_END,
                                                 -1, GFP_KERNEL, caller);
@@ -1568,9 +1568,9 @@ EXPORT_SYMBOL(vmap);
 
 static void *__vmalloc_node(unsigned long size, unsigned long align,
                             gfp_t gfp_mask, pgprot_t prot,
-                            int node, void *caller);
+                            int node, const void *caller);
 static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
-                                 pgprot_t prot, int node, void *caller)
+                                 pgprot_t prot, int node, const void *caller)
 {
         const int order = 0;
         struct page **pages;
@@ -1643,7 +1643,7 @@ fail:
  */
 void *__vmalloc_node_range(unsigned long size, unsigned long align,
                         unsigned long start, unsigned long end, gfp_t gfp_mask,
-                        pgprot_t prot, int node, void *caller)
+                        pgprot_t prot, int node, const void *caller)
 {
         struct vm_struct *area;
         void *addr;
@@ -1699,7 +1699,7 @@ fail:
  */
 static void *__vmalloc_node(unsigned long size, unsigned long align,
                             gfp_t gfp_mask, pgprot_t prot,
-                            int node, void *caller)
+                            int node, const void *caller)
 {
         return __vmalloc_node_range(size, align, VMALLOC_START, VMALLOC_END,
                                 gfp_mask, prot, node, caller);