The fix introduced by e4decc90 to fix the UP case for 32bit x86, however that broke the SMP case that was working previously. Add ifdef so the dummy function only show up for 32bit UP case only. Fix: e4decc90 mm,x86: native_pud_clear missing on i386 build Reported-by: Alexander Kapshuk <alexander.kapshuk(a)gmail.com&gt; Signed-off-by: Dave Jiang <dave.jiang(a)intel.com&gt; --- arch/x86/include/asm/pgtable-3level.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h index 50d35e3..8f50fb3 100644 --- a/arch/x86/include/asm/pgtable-3level.h +++ b/arch/x86/include/asm/pgtable-3level.h @@ -121,9 +121,11 @@ static inline void native_pmd_clear(pmd_t *pmd) *(tmp + 1) = 0; } +#ifndef CONFIG_SMP static inline void native_pud_clear(pud_t *pudp) { } +#endif static inline void pud_clear(pud_t *pudp) { -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo(a)kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email(a)kvack.org </a>