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mm: mark most vm_operations_struct const

Browse source 
With two exceptions (drm/qxl and drm/radeon) all vm_operations_struct
structs should be constant.

Signed-off-by: Kirill A. Shutemov <[email protected]>
Reviewed-by: Oleg Nesterov <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Kirill A. Shutemov 2015-09-09 15:39:26 -07:00 • committed by Linus Torvalds
commit 7cbea8dc01
17 changed files with 18 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/xen/gntalloc.c
View file

@ -493,7 +493,7 @@ static void gntalloc_vma_close(struct vm_area_struct *vma)
mutex_unlock(&gref_mutex);
}
static struct vm_operations_struct gntalloc_vmops = {
static const struct vm_operations_struct gntalloc_vmops = {
.open = gntalloc_vma_open,
.close = gntalloc_vma_close,
};

2
drivers/xen/gntdev.c
View file

@ -433,7 +433,7 @@ static struct page *gntdev_vma_find_special_page(struct vm_area_struct *vma,
return map->pages[(addr - map->pages_vm_start) >> PAGE_SHIFT];
}
static struct vm_operations_struct gntdev_vmops = {
static const struct vm_operations_struct gntdev_vmops = {
.open = gntdev_vma_open,
.close = gntdev_vma_close,
.find_special_page = gntdev_vma_find_special_page,

4
drivers/xen/privcmd.c
View file

@ -414,7 +414,7 @@ static int alloc_empty_pages(struct vm_area_struct *vma, int numpgs)
return 0;
}
static struct vm_operations_struct privcmd_vm_ops;
static const struct vm_operations_struct privcmd_vm_ops;
static long privcmd_ioctl_mmap_batch(void __user *udata, int version)
{
@ -605,7 +605,7 @@ static int privcmd_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
return VM_FAULT_SIGBUS;
}
static struct vm_operations_struct privcmd_vm_ops = {
static const struct vm_operations_struct privcmd_vm_ops = {
.close = privcmd_close,
.fault = privcmd_fault
};