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| author | Heesub Shin <heesub.shin@samsung.com> | 2014-05-30 01:26:27 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-19 22:38:33 (GMT) |
| commit | d10e4ffd64a19d88f085e92a4b0a2470aa336915 (patch) | |
| tree | 46ea0715fc75bb26889e281cf4ccb0ac9c722ea5 /drivers/staging | |
| parent | 2b3cffc9314d1c3e60a0ebccc366df1ada6e524e (diff) | |
| download | linux-d10e4ffd64a19d88f085e92a4b0a2470aa336915.tar.xz | |
staging: ion: remove order from struct page_info
ION system heap uses an internal data structure, struct page_info, for
tracking down the meta information of the pages allocated from the pool.
Now that the pool returns compound pages, we don't need to store page
order in struct page_info.
Signed-off-by: Heesub Shin <heesub.shin@samsung.com>
Reviewed-by: Mitchel Humpherys <mitchelh@codeaurora.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/android/ion/ion_system_heap.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c index cb7ae08..621b857 100644 --- a/drivers/staging/android/ion/ion_system_heap.c +++ b/drivers/staging/android/ion/ion_system_heap.c @@ -54,7 +54,6 @@ struct ion_system_heap { struct page_info { struct page *page; - unsigned int order; struct list_head list; }; @@ -123,7 +122,6 @@ static struct page_info *alloc_largest_available(struct ion_system_heap *heap, continue; info->page = page; - info->order = orders[i]; return info; } kfree(info); @@ -160,8 +158,8 @@ static int ion_system_heap_allocate(struct ion_heap *heap, if (!info) goto free_pages; list_add_tail(&info->list, &pages); - size_remaining -= PAGE_SIZE << info->order; - max_order = info->order; + size_remaining -= PAGE_SIZE << compound_order(info->page); + max_order = compound_order(info->page); i++; } table = kmalloc(sizeof(struct sg_table), GFP_KERNEL); @@ -174,7 +172,7 @@ static int ion_system_heap_allocate(struct ion_heap *heap, sg = table->sgl; list_for_each_entry_safe(info, tmp_info, &pages, list) { struct page *page = info->page; - sg_set_page(sg, page, PAGE_SIZE << info->order, 0); + sg_set_page(sg, page, PAGE_SIZE << compound_order(page), 0); sg = sg_next(sg); list_del(&info->list); kfree(info); @@ -187,7 +185,8 @@ free_table: kfree(table); free_pages: list_for_each_entry_safe(info, tmp_info, &pages, list) { - free_buffer_page(sys_heap, buffer, info->page, info->order); + free_buffer_page(sys_heap, buffer, info->page, + compound_order(info->page)); kfree(info); } return -ENOMEM; |