Ejemplos de mk_kernel_pmd en C++ (Cpp)

Ejemplo n.º 1

Archivo: mm-armo.c Proyecto: dmgerman/linux-pre-history

/*
 * This contains the code to setup the memory map on an ARM2/ARM250/ARM3
 * machine. This is both processor & architecture specific, and requires
 * some more work to get it to fit into our separate processor and
 * architecture structure.
 */
void __init memtable_init(struct meminfo *mi)
{
	pte_t *pte;
	int i;

	page_nr = max_low_pfn;

	pte = alloc_bootmem_low_pages(PTRS_PER_PTE * sizeof(pte_t));
	pte[0] = mk_pte_phys(PAGE_OFFSET + 491520, PAGE_READONLY);
	set_pmd(pmd_offset(swapper_pg_dir, 0), mk_kernel_pmd(pte));

	for (i = 1; i < PTRS_PER_PGD; i++)
		pgd_val(swapper_pg_dir[i]) = 0;
}

Ejemplo n.º 2

Archivo: fault-armv.c Proyecto: chinnyannieb/empeg-hijack

pte_t *get_pte_kernel_slow(pmd_t *pmd, unsigned long offset)
{
	pte_t *pte;

	pte = (pte_t *)get_page_2k(GFP_KERNEL);
	if (pmd_none(*pmd)) {
		if (pte) {
			memzero(pte, 2 * PTRS_PER_PTE * BYTES_PER_PTR);
			clean_cache_area(pte, PTRS_PER_PTE * BYTES_PER_PTR);
			pte += PTRS_PER_PTE;
			set_pmd(pmd, mk_kernel_pmd(pte));
			return pte + offset;
		}
		set_pmd(pmd, mk_kernel_pmd(BAD_PAGETABLE));
		return NULL;
	}
	free_page_2k((unsigned long)pte);
	if (pmd_bad(*pmd)) {
		__bad_pmd_kernel(pmd);
		return NULL;
	}
	return (pte_t *) pmd_page(*pmd) + offset;
}