/* 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; }