m68k: mm: Fully initialize the page-table allocator (518a6b58) · Commits · 戴 / test

Also iterate the PMD tables to populate the PTE table allocator. This also fully replaces the previous zero_pgtable hack. Signed-off-by:

arch/m68k/mm/init.c

+12 −1

Original line number	Diff line number	Diff line
		@@ -120,7 +120,7 @@ void free_initmem(void)
		static inline void init_pointer_tables(void)
		{
		#if defined(CONFIG_MMU) && !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE)
		int i;
		int i, j;

		/* insert pointer tables allocated so far into the tablelist */
		init_pointer_table(kernel_pg_dir, TABLE_PGD);
		@@ -133,6 +133,17 @@ static inline void init_pointer_tables(void)

		pmd_dir = (pmd_t *)pgd_page_vaddr(kernel_pg_dir[i]);
		init_pointer_table(pmd_dir, TABLE_PMD);

		for (j = 0; j < PTRS_PER_PMD; j++) {
		pmd_t *pmd = &pmd_dir[j];
		pte_t *pte_dir;

		if (!pmd_present(*pmd))
		continue;

		pte_dir = (pte_t )__pmd_page(pmd);
		init_pointer_table(pte_dir, TABLE_PTE);
		}
		}
		#endif
		}