diff options
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 17 |
1 files changed, 5 insertions, 12 deletions
@@ -507,6 +507,11 @@ kmem_getpages(kmem_cache_t *cachep, unsigned long flags, unsigned int *dma) { void *addr; + /* + * If we requested dmaable memory, we will get it. Even if we + * did not request dmaable memory, we might get it, but that + * would be relatively rare and ignorable. + */ *dma = flags & SLAB_DMA; addr = (void*) __get_free_pages(flags, cachep->c_gfporder); /* Assume that now we have the pages no one else can legally @@ -515,18 +520,6 @@ kmem_getpages(kmem_cache_t *cachep, unsigned long flags, unsigned int *dma) * it is a named-page or buffer-page. The members it tests are * of no interest here..... */ - if (!*dma && addr) { - /* Need to check if can dma. */ - struct page *page = mem_map + MAP_NR(addr); - *dma = 1<<cachep->c_gfporder; - while ((*dma)--) { - if (!PageDMA(page)) { - *dma = 0; - break; - } - page++; - } - } return addr; } |