EMUPAGESIZE
if (snd_emu10k1_alloc_pages_maybe_wider(emu, EMUPAGESIZE,
alloc_size += EMUPAGESIZE;
if (emu->iommu_workaround && runtime->dma_bytes >= EMUPAGESIZE)
runtime->dma_bytes -= EMUPAGESIZE;
if (addr & (EMUPAGESIZE-1)) {
#define UNIT_PAGES (PAGE_SIZE / EMUPAGESIZE)
runtime->dma_bytes >= (emu->address_mode ? MAXPAGES1 : MAXPAGES0) * EMUPAGESIZE))
#if PAGE_SIZE == EMUPAGESIZE && !IS_ENABLED(CONFIG_DYNAMIC_DEBUG)
addr += EMUPAGESIZE;