/*
* Virtual Memory Map support
*
- * (C) 2007 sgi. Christoph Lameter <clameter@sgi.com>.
+ * (C) 2007 sgi. Christoph Lameter.
*
* Virtual memory maps allow VM primitives pfn_to_page, page_to_pfn,
* virt_to_page, page_address() to be implemented as a base offset
pte_t entry;
void *p = vmemmap_alloc_block(PAGE_SIZE, node);
if (!p)
- return 0;
+ return NULL;
entry = pfn_pte(__pa(p) >> PAGE_SHIFT, PAGE_KERNEL);
set_pte_at(&init_mm, addr, pte, entry);
}
if (pmd_none(*pmd)) {
void *p = vmemmap_alloc_block(PAGE_SIZE, node);
if (!p)
- return 0;
+ return NULL;
pmd_populate_kernel(&init_mm, pmd, p);
}
return pmd;
if (pud_none(*pud)) {
void *p = vmemmap_alloc_block(PAGE_SIZE, node);
if (!p)
- return 0;
+ return NULL;
pud_populate(&init_mm, pud, p);
}
return pud;
if (pgd_none(*pgd)) {
void *p = vmemmap_alloc_block(PAGE_SIZE, node);
if (!p)
- return 0;
+ return NULL;
pgd_populate(&init_mm, pgd, p);
}
return pgd;