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    Subject[PATCH v7 29/36] staging: ion: remove dead code
    Date
    ion_heap_pages_zero() function is not used at all, so remove it to
    simplify the ion_heap_sglist_zero() function later.

    Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
    ---
    drivers/staging/android/ion/ion.h | 1 -
    drivers/staging/android/ion/ion_heap.c | 9 ---------
    2 files changed, 10 deletions(-)

    diff --git a/drivers/staging/android/ion/ion.h b/drivers/staging/android/ion/ion.h
    index 74914a266e25..c199e88afc6c 100644
    --- a/drivers/staging/android/ion/ion.h
    +++ b/drivers/staging/android/ion/ion.h
    @@ -177,7 +177,6 @@ void ion_heap_unmap_kernel(struct ion_heap *heap, struct ion_buffer *buffer);
    int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
    struct vm_area_struct *vma);
    int ion_heap_buffer_zero(struct ion_buffer *buffer);
    -int ion_heap_pages_zero(struct page *page, size_t size, pgprot_t pgprot);

    /**
    * ion_heap_init_shrinker
    diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c
    index 0755b11348ed..9c23b2382a1e 100644
    --- a/drivers/staging/android/ion/ion_heap.c
    +++ b/drivers/staging/android/ion/ion_heap.c
    @@ -145,15 +145,6 @@ int ion_heap_buffer_zero(struct ion_buffer *buffer)
    return ion_heap_sglist_zero(table->sgl, table->nents, pgprot);
    }

    -int ion_heap_pages_zero(struct page *page, size_t size, pgprot_t pgprot)
    -{
    - struct scatterlist sg;
    -
    - sg_init_table(&sg, 1);
    - sg_set_page(&sg, page, size, 0);
    - return ion_heap_sglist_zero(&sg, 1, pgprot);
    -}
    -
    void ion_heap_freelist_add(struct ion_heap *heap, struct ion_buffer *buffer)
    {
    spin_lock(&heap->free_lock);
    --
    2.17.1
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