static int omap_crypto_check_sg(struct scatterlist *sg, int total, int bs,
u16 flags)
{
int len = 0;
int num_sg = 0;
if (!IS_ALIGNED(total, bs))
return OMAP_CRYPTO_NOT_ALIGNED;
while (sg) {
num_sg++;
if (!IS_ALIGNED(sg->offset, 4))
return OMAP_CRYPTO_NOT_ALIGNED;
if (!IS_ALIGNED(sg->length, bs))
return OMAP_CRYPTO_NOT_ALIGNED;
#ifdef CONFIG_ZONE_DMA
if (page_zonenum(sg_page(sg)) != ZONE_DMA)
return OMAP_CRYPTO_NOT_ALIGNED;
#endif
len += sg->length;
sg = sg_next(sg);
if (len >= total)
break;
}
if ((flags & OMAP_CRYPTO_FORCE_SINGLE_ENTRY) && num_sg > 1)
return OMAP_CRYPTO_NOT_ALIGNED;
if (len != total)
return OMAP_CRYPTO_BAD_DATA_LENGTH;
return 0;
}
void test_alloc(void)
{
struct page *page = NULL;
int i;
printk("mem_map address is:%x\n", mem_map);
printk("PAGE_SHIFT is:%x, PAGE_OFFSITE is:%x, ARCH_PFN_OFFSET is:%x\n", PAGE_SHIFT, PAGE_OFFSET, ARCH_PFN_OFFSET);
printk("mding_mm:VMALLOC_START:%x VMALLOC_END:%x\n", VMALLOC_START, VMALLOC_END);
for(i=0;i<100;i++){
page = alloc_page(GFP_KERNEL ); //__GFP_HIGHMEM
printk("mding_mm:alloc_page addr:%x pfn:%x page_address:%x flag:%x zone_type:%x\n", page, page-mem_map, page_address(page), page->flags, page_zonenum(page));
// printk("mding_mm:__get_free_page addr:%x\n", __get_free_page(GFP_KERNEL | __GFP_HIGHMEM));
// __free_page(page);
}
printk("mding_mm:ZONE_NORMAL is:%x", ZONE_NORMAL);
return ;
}
