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android: binder: Remove unused vma argument

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The vma argument in update_page_range is no longer
used after 74310e06 ("android: binder: Move buffer
out of area shared with user space"), since mmap_handler
no longer calls update_page_range with a vma.

Acked-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Sherry Yang <sherryy@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sherry Yang 2017-09-16 01:11:56 -04:00 committed by Greg Kroah-Hartman
parent c932806c65
commit 6ae33b9c05
1 changed files with 7 additions and 9 deletions
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16
drivers/android/binder_alloc.c
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@ -186,12 +186,12 @@ struct binder_buffer *binder_alloc_prepare_to_free(struct binder_alloc *alloc,
} }
static int binder_update_page_range(struct binder_alloc *alloc, int allocate, static int binder_update_page_range(struct binder_alloc *alloc, int allocate,
void *start, void *end, void *start, void *end)
struct vm_area_struct *vma)
{ {
void *page_addr; void *page_addr;
unsigned long user_page_addr; unsigned long user_page_addr;
struct binder_lru_page *page; struct binder_lru_page *page;
struct vm_area_struct *vma = NULL;
struct mm_struct *mm = NULL; struct mm_struct *mm = NULL;
bool need_mm = false; bool need_mm = false;
@ -215,7 +215,7 @@ static int binder_update_page_range(struct binder_alloc *alloc, int allocate,
} }
} }
if (!vma && need_mm) if (need_mm)
mm = get_task_mm(alloc->tsk); mm = get_task_mm(alloc->tsk);
if (mm) { if (mm) {
@ -442,7 +442,7 @@ struct binder_buffer *binder_alloc_new_buf_locked(struct binder_alloc *alloc,
if (end_page_addr > has_page_addr) if (end_page_addr > has_page_addr)
end_page_addr = has_page_addr; end_page_addr = has_page_addr;
ret = binder_update_page_range(alloc, 1, ret = binder_update_page_range(alloc, 1,
(void *)PAGE_ALIGN((uintptr_t)buffer->data), end_page_addr, NULL); (void *)PAGE_ALIGN((uintptr_t)buffer->data), end_page_addr);
if (ret) if (ret)
return ERR_PTR(ret); return ERR_PTR(ret);
@ -483,7 +483,7 @@ struct binder_buffer *binder_alloc_new_buf_locked(struct binder_alloc *alloc,
err_alloc_buf_struct_failed: err_alloc_buf_struct_failed:
binder_update_page_range(alloc, 0, binder_update_page_range(alloc, 0,
(void *)PAGE_ALIGN((uintptr_t)buffer->data), (void *)PAGE_ALIGN((uintptr_t)buffer->data),
end_page_addr, NULL); end_page_addr);
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
} }
@ -567,8 +567,7 @@ static void binder_delete_free_buffer(struct binder_alloc *alloc,
alloc->pid, buffer->data, alloc->pid, buffer->data,
prev->data, next->data); prev->data, next->data);
binder_update_page_range(alloc, 0, buffer_start_page(buffer), binder_update_page_range(alloc, 0, buffer_start_page(buffer),
buffer_start_page(buffer) + PAGE_SIZE, buffer_start_page(buffer) + PAGE_SIZE);
NULL);
} }
list_del(&buffer->entry); list_del(&buffer->entry);
kfree(buffer); kfree(buffer);
@ -605,8 +604,7 @@ static void binder_free_buf_locked(struct binder_alloc *alloc,
binder_update_page_range(alloc, 0, binder_update_page_range(alloc, 0,
(void *)PAGE_ALIGN((uintptr_t)buffer->data), (void *)PAGE_ALIGN((uintptr_t)buffer->data),
(void *)(((uintptr_t)buffer->data + buffer_size) & PAGE_MASK), (void *)(((uintptr_t)buffer->data + buffer_size) & PAGE_MASK));
NULL);
rb_erase(&buffer->rb_node, &alloc->allocated_buffers); rb_erase(&buffer->rb_node, &alloc->allocated_buffers);
buffer->free = 1; buffer->free = 1;