The patch titled Subject: m68k-mm-use-pgtable-nopxd-instead-of-4level-fixup-fix-fix has been added to the -mm tree. Its filename is m68k-mm-use-pgtable-nopxd-instead-of-4level-fixup-fix-fix.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/m68k-mm-use-pgtable-nopxd-instead-of-4level-fixup-fix-fix.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/m68k-mm-use-pgtable-nopxd-instead-of-4level-fixup-fix-fix.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Subject: m68k-mm-use-pgtable-nopxd-instead-of-4level-fixup-fix-fix more merge glitch fixes. Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/m68k/mm/kmap.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) --- a/arch/m68k/mm/kmap.c~m68k-mm-use-pgtable-nopxd-instead-of-4level-fixup-fix-fix +++ a/arch/m68k/mm/kmap.c @@ -63,18 +63,23 @@ static void __free_io_area(void *addr, u { unsigned long virtaddr = (unsigned long)addr; pgd_t *pgd_dir; + p4d_t *p4d_dir; + pud_t *pud_dir; pmd_t *pmd_dir; pte_t *pte_dir; while ((long)size > 0) { pgd_dir = pgd_offset_k(virtaddr); - if (pgd_bad(*pgd_dir)) { - printk("iounmap: bad pgd(%08lx)\n", pgd_val(*pgd_dir)); - pgd_clear(pgd_dir); + p4d_dir = p4d_offset(pgd_dir, virtaddr); + pud_dir = pud_offset(p4d_dir, virtaddr); + if (pud_bad(*pud_dir)) { + printk("iounmap: bad pgd(%08lx)\n", pud_val(*pud_dir)); + pud_clear(pud_dir); return; } - pmd_dir = pmd_offset(pgd_dir, virtaddr); + pmd_dir = pmd_offset(pud_dir, virtaddr); +#if CONFIG_PGTABLE_LEVELS == 3 if (CPU_IS_020_OR_030) { int pmd_off = (virtaddr/PTRTREESIZE) & 15; int pmd_type = pmd_dir->pmd[pmd_off] & _DESCTYPE_MASK; @@ -87,6 +92,7 @@ static void __free_io_area(void *addr, u } else if (pmd_type == 0) continue; } +#endif if (pmd_bad(*pmd_dir)) { printk("iounmap: bad pmd (%08lx)\n", pmd_val(*pmd_dir)); @@ -314,6 +320,8 @@ void kernel_set_cachemode(void *addr, un { unsigned long virtaddr = (unsigned long)addr; pgd_t *pgd_dir; + p4d_t *p4d_dir; + pud_t *pud_dir; pmd_t *pmd_dir; pte_t *pte_dir; _ Patches currently in -mm which might be from geert@xxxxxxxxxxxxxx are m68k-mm-use-pgtable-nopxd-instead-of-4level-fixup-fix-fix.patch