+static void __init find_early_table_space(unsigned long end)
+{
+ unsigned long puds, pmds, tables;
+
+ puds = (end + PUD_SIZE - 1) >> PUD_SHIFT;
+ pmds = (end + PMD_SIZE - 1) >> PMD_SHIFT;
+ tables = round_up(puds * sizeof(pud_t), PAGE_SIZE) +
+ round_up(pmds * sizeof(pmd_t), PAGE_SIZE);
+
+ table_start = find_e820_area(0x8000, __pa_symbol(&_text), tables);
+ if (table_start == -1UL)
+ panic("Cannot find space for the kernel page tables");
+
+ table_start >>= PAGE_SHIFT;
+ table_end = table_start;
+}
+