On Wed, Nov 02, 2011 at 07:37:52PM -0400, j.gli...@gmail.com wrote:
> From: Jerome Glisse <jgli...@redhat.com>
>
> Use the ttm_tt page ptr array for page allocation, move the list to
> array unwinding into the page allocation functions.
>
> V2 split the fix to use ttm put page as a separate fix
> properly fill pages array when TTM_PAGE_FLAG_ZERO_ALLOC is not
> set
>
> Signed-off-by: Jerome Glisse <jgli...@redhat.com>
.. snip..
> static void ttm_tt_free_alloced_pages(struct ttm_tt *ttm)
> {
> - int i;
> - unsigned count = 0;
> - struct list_head h;
> - struct page *cur_page;
> struct ttm_backend *be = ttm->be;
> -
> - INIT_LIST_HEAD(&h);
> + struct ttm_mem_global *glob = ttm->glob->mem_glob;
>
> if (be)
> be->func->clear(be);
> - for (i = 0; i < ttm->num_pages; ++i) {
>
> - cur_page = ttm->pages[i];
> - ttm->pages[i] = NULL;
> - if (cur_page) {
> - if (page_count(cur_page) != 1)
We don't want to keep that check? Or perhaps move that
functionality into ttm_put_pages?
> - printk(KERN_ERR TTM_PFX
> - "Erroneous page count. "
> - "Leaking pages.\n");
> - ttm_mem_global_free_page(ttm->glob->mem_glob,
> - cur_page);
> - list_add(&cur_page->lru, &h);
> - count++;
> - }
> - }
> - ttm_put_pages(&h, count, ttm->page_flags, ttm->caching_state,
> - ttm->dma_address);
> + ttm_mem_global_free_pages(glob, ttm->pages, ttm->num_pages);
> + ttm_put_pages(ttm->pages, ttm->num_pages, ttm->page_flags,
> + ttm->caching_state, ttm->dma_address);
> ttm->state = tt_unpopulated;
> }
Otherwise Reviewd-by...
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