Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-drm-fsl-dcu.git] / mm / dmapool.c

diff --git a/mm/dmapool.c b/mm/dmapool.c
index 71a8998cd03a6b8b0d2dbfe36a24ce70766047e8..312a716fa14c2ef0d2780832bc378c05a3d08d16 100644 (file)
--- a/mm/dmapool.c
+++ b/mm/dmapool.c
@@ -394,7 +394,7 @@ static struct dma_page *pool_find_page(struct dma_pool *pool, dma_addr_t dma)
        list_for_each_entry(page, &pool->page_list, page_list) {
                if (dma < page->dma)
                        continue;
-               if (dma < (page->dma + pool->allocation))
+               if ((dma - page->dma) < pool->allocation)
                        return page;
        }
        return NULL;