void account_kernel_stack(struct thread_info *ti, int account)
#endif
{
struct zone *zone = page_zone(virt_to_page(ti));
mod_zone_page_state(zone, NR_KERNEL_STACK, account);
}
static void *ion_page_pool_alloc_pages(struct ion_page_pool *pool)
{
struct page *page;
page = alloc_pages(pool->gfp_mask & ~__GFP_ZERO, pool->order);
if (!page)
return NULL;
mod_zone_page_state(page_zone(page), NR_ION_PAGES, 1 << pool->order);
if (pool->gfp_mask & __GFP_ZERO)
if (msm_ion_heap_high_order_page_zero(page, pool->order))
goto error_free_pages;
return page;
error_free_pages:
__free_pages(page, pool->order);
mod_zone_page_state(page_zone(page), NR_ION_PAGES, -(1 << pool->order));
return NULL;
}
static void ion_page_pool_free_pages(struct ion_page_pool *pool,
struct page *page)
{
__free_pages(page, pool->order);
mod_zone_page_state(page_zone(page), NR_ION_PAGES, -(1 << pool->order));
}