/* need to make sure size is all the same during early stage */
void * __meminit __vmemmap_alloc_block_buf(unsigned long size, int node,
struct vmem_altmap *altmap)
{
if (altmap)
return altmap_alloc_block_buf(size, altmap);
return alloc_block_buf(size, node);
}
pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node)
{
pte_t *pte = pte_offset_kernel(pmd, addr);
if (pte_none(*pte)) {
pte_t entry;
void *p = alloc_block_buf(PAGE_SIZE, node);
if (!p)
return NULL;
entry = pfn_pte(__pa(p) >> PAGE_SHIFT, PAGE_KERNEL);
set_pte_at(&init_mm, addr, pte, entry);
}
int main(int argc, char *argv[])
{
int ret;
init_params(argc, argv);
alloc_block_buf();
ret = op_testpattern(argv[2], !strcmp(argv[1], "write"));
free_block_buf();
return ret;
}
