static void alloc_init_pte(pmd_t *pmd, unsigned long addr,
unsigned long end, unsigned long pfn,
pgprot_t prot,
phys_addr_t (*pgtable_alloc)(void))
{
pte_t *pte;
if (pmd_none(*pmd) || pmd_sect(*pmd)) {
phys_addr_t pte_phys;
BUG_ON(!pgtable_alloc);
pte_phys = pgtable_alloc();
pte = pte_set_fixmap(pte_phys);
if (pmd_sect(*pmd))
split_pmd(pmd, pte);
__pmd_populate(pmd, pte_phys, PMD_TYPE_TABLE);
flush_tlb_all();
pte_clear_fixmap();
}
BUG_ON(pmd_bad(*pmd));
pte = pte_set_fixmap_offset(pmd, addr);
do {
set_pte(pte, pfn_pte(pfn, prot));
pfn++;
} while (pte++, addr += PAGE_SIZE, addr != end);
pte_clear_fixmap();
}
static void alloc_init_pte(pmd_t *pmd, unsigned long addr,
unsigned long end, unsigned long pfn,
pgprot_t prot,
void *(*alloc)(unsigned long size))
{
pte_t *pte;
if (pmd_none(*pmd) || pmd_sect(*pmd)) {
pte = alloc(PTRS_PER_PTE * sizeof(pte_t));
if (pmd_sect(*pmd))
split_pmd(pmd, pte);
__pmd_populate(pmd, __pa(pte), PMD_TYPE_TABLE);
flush_tlb_all();
}
BUG_ON(pmd_bad(*pmd));
pte = pte_offset_kernel(pmd, addr);
do {
set_pte(pte, pfn_pte(pfn, prot));
pfn++;
} while (pte++, addr += PAGE_SIZE, addr != end);
}
