Commit 7cbea8dc authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Linus Torvalds

mm: mark most vm_operations_struct const

With two exceptions (drm/qxl and drm/radeon) all vm_operations_struct
structs should be constant.
Signed-off-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: default avatarOleg Nesterov <oleg@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 2a78b857
......@@ -277,7 +277,7 @@ static const char *gate_vma_name(struct vm_area_struct *vma)
{
return "[vsyscall]";
}
static struct vm_operations_struct gate_vma_ops = {
static const struct vm_operations_struct gate_vma_ops = {
.name = gate_vma_name,
};
static struct vm_area_struct gate_vma = {
......
......@@ -2834,7 +2834,7 @@ static int binder_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
return VM_FAULT_SIGBUS;
}
static struct vm_operations_struct binder_vm_ops = {
static const struct vm_operations_struct binder_vm_ops = {
.open = binder_vma_open,
.close = binder_vma_close,
.fault = binder_vm_fault,
......
......@@ -125,7 +125,7 @@ static int vgem_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
}
}
static struct vm_operations_struct vgem_gem_vm_ops = {
static const struct vm_operations_struct vgem_gem_vm_ops = {
.fault = vgem_gem_fault,
.open = drm_gem_vm_open,
.close = drm_gem_vm_close,
......
......@@ -1110,7 +1110,7 @@ static int cs_char_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
return 0;
}
static struct vm_operations_struct cs_char_vm_ops = {
static const struct vm_operations_struct cs_char_vm_ops = {
.fault = cs_char_vma_fault,
};
......
......@@ -908,7 +908,7 @@ static int qib_file_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
return 0;
}
static struct vm_operations_struct qib_file_vm_ops = {
static const struct vm_operations_struct qib_file_vm_ops = {
.fault = qib_file_vma_fault,
};
......
......@@ -75,7 +75,7 @@ static void qib_vma_close(struct vm_area_struct *vma)
kref_put(&ip->ref, qib_release_mmap_info);
}
static struct vm_operations_struct qib_vm_ops = {
static const struct vm_operations_struct qib_vm_ops = {
.open = qib_vma_open,
.close = qib_vma_close,
};
......
......@@ -872,7 +872,7 @@ static void omap_vout_vm_close(struct vm_area_struct *vma)
vout->mmap_count--;
}
static struct vm_operations_struct omap_vout_vm_ops = {
static const struct vm_operations_struct omap_vout_vm_ops = {
.open = omap_vout_vm_open,
.close = omap_vout_vm_close,
};
......
......@@ -418,7 +418,7 @@ static void genwqe_vma_close(struct vm_area_struct *vma)
kfree(dma_map);
}
static struct vm_operations_struct genwqe_vma_ops = {
static const struct vm_operations_struct genwqe_vma_ops = {
.open = genwqe_vma_open,
.close = genwqe_vma_close,
};
......
......@@ -997,7 +997,7 @@ static void ion_vm_close(struct vm_area_struct *vma)
mutex_unlock(&buffer->lock);
}
static struct vm_operations_struct ion_vma_ops = {
static const struct vm_operations_struct ion_vma_ops = {
.open = ion_vm_open,
.close = ion_vm_close,
.fault = ion_vm_fault,
......
......@@ -2156,7 +2156,7 @@ static void comedi_vm_close(struct vm_area_struct *area)
comedi_buf_map_put(bm);
}
static struct vm_operations_struct comedi_vm_ops = {
static const struct vm_operations_struct comedi_vm_ops = {
.open = comedi_vm_open,
.close = comedi_vm_close,
};
......
......@@ -1091,7 +1091,7 @@ static void mmap_user_close(struct vm_area_struct *vma)
omapfb_put_mem_region(rg);
}
static struct vm_operations_struct mmap_user_ops = {
static const struct vm_operations_struct mmap_user_ops = {
.open = mmap_user_open,
.close = mmap_user_close,
};
......
......@@ -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,
};
......
......@@ -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,
......
......@@ -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
};
......
......@@ -1593,7 +1593,7 @@ int ceph_uninline_data(struct file *filp, struct page *locked_page)
return err;
}
static struct vm_operations_struct ceph_vmops = {
static const struct vm_operations_struct ceph_vmops = {
.fault = ceph_filemap_fault,
.page_mkwrite = ceph_page_mkwrite,
};
......
......@@ -3216,7 +3216,7 @@ cifs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
return VM_FAULT_LOCKED;
}
static struct vm_operations_struct cifs_file_vm_ops = {
static const struct vm_operations_struct cifs_file_vm_ops = {
.fault = filemap_fault,
.map_pages = filemap_map_pages,
.page_mkwrite = cifs_page_mkwrite,
......
......@@ -472,7 +472,7 @@ static int sel_mmap_policy_fault(struct vm_area_struct *vma,
return 0;
}
static struct vm_operations_struct sel_mmap_policy_ops = {
static const struct vm_operations_struct sel_mmap_policy_ops = {
.fault = sel_mmap_policy_fault,
.page_mkwrite = sel_mmap_policy_fault,
};
......
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