On 5/13/21 1:47 PM, Andrew Morton wrote: > On Thu, 13 May 2021 19:09:23 +0200 Christophe Leroy <christophe.leroy@xxxxxxxxxx> wrote: > >> >> >>> on i386: >>> >>> ../arch/x86/mm/pgtable.c:703:5: error: redefinition of ‘pud_set_huge’ >>> int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot) >>> ^~~~~~~~~~~~ >>> In file included from ../include/linux/mm.h:33:0, >>> from ../arch/x86/mm/pgtable.c:2: >>> ../include/linux/pgtable.h:1387:19: note: previous definition of ‘pud_set_huge’ was here >>> static inline int pud_set_huge(pud_t *pud, phys_addr_t addr, pgprot_t prot) >>> ^~~~~~~~~~~~ >>> ../arch/x86/mm/pgtable.c:758:5: error: redefinition of ‘pud_clear_huge’ >>> int pud_clear_huge(pud_t *pud) >>> ^~~~~~~~~~~~~~ >>> In file included from ../include/linux/mm.h:33:0, >>> from ../arch/x86/mm/pgtable.c:2: >>> ../include/linux/pgtable.h:1391:19: note: previous definition of ‘pud_clear_huge’ was here >>> static inline int pud_clear_huge(pud_t *pud) >>> ^~~~~~~~~~~~~~ >> >> Hum ... >> >> Comes from my patch >> https://patchwork.ozlabs.org/project/linuxppc-dev/patch/5ac5976419350e8e048d463a64cae449eb3ba4b0.1620795204.git.christophe.leroy@xxxxxxxxxx/ >> >> But, that happens only if x86 defines __PAGETABLE_PUD_FOLDED. And if PUD is folded, then I can't >> understand my it has pud_set_huge() and pud_clear_huge() functions. > > Probably because someone messed something up ;) > > Let's try this. > > --- a/arch/x86/mm/pgtable.c~mm-pgtable-add-stubs-for-pmd-pub_set-clear_huge-fix > +++ a/arch/x86/mm/pgtable.c That also works_for_me. Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested thanks. -- ~Randy