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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>
This commit is contained in:
Marek Szyprowski 2012-04-13 12:32:09 +02:00
parent efc42bc980
commit 5e6cafc83e
2 changed files with 13 additions and 13 deletions
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8
include/linux/vmalloc.h
View File

@ -32,7 +32,7 @@ struct vm_struct {
struct page **pages;
unsigned int nr_pages;
phys_addr_t phys_addr;
void *caller;
const void *caller;
};
/*
@ -62,7 +62,7 @@ extern void *vmalloc_32_user(unsigned long size);
extern void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot);
extern 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);
extern void vfree(const void *addr);
extern void *vmap(struct page **pages, unsigned int count,
@ -85,13 +85,13 @@ static inline size_t get_vm_area_size(const struct vm_struct *area)
extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);
extern struct vm_struct *get_vm_area_caller(unsigned long size,
unsigned long flags, void *caller);
unsigned long flags, const void *caller);
extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
unsigned long start, unsigned long end);
extern struct vm_struct *__get_vm_area_caller(unsigned long size,
unsigned long flags,
unsigned long start, unsigned long end,
void *caller);
const void *caller);
extern struct vm_struct *remove_vm_area(const void *addr);
extern int map_vm_area(struct vm_struct *area, pgprot_t prot,

18
mm/vmalloc.c
View File

@ -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);