CONFIG_PARAVIRT defines set_pmd_at only for CONFIG_TRANSPARENT_HUGEPAGE
which leads to the following compile errors when randconfig selected
CONFIG_NUMA_BALANCING && CONFIG_PARAVIRT && !CONFIG_TRANSPARENT_HUGEPAGE:
mm/mprotect.c: In function ‘change_pmd_protnuma’:
mm/mprotect.c:120: error: implicit declaration of function ‘set_pmd_at’
mm/memory.c: In function ‘do_pmd_numa_page’:
mm/memory.c:3529: error: implicit declaration of function ‘set_pmd_at’
Signed-off-by: Michal Hocko <mho...@suse.cz>
---
arch/x86/include/asm/paravirt.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index a0facf3..f551e89 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -528,7 +528,7 @@ static inline void set_pte_at(struct mm_struct *mm,
unsigned long addr,
PVOP_VCALL4(pv_mmu_ops.set_pte_at, mm, addr, ptep, pte.pte);
}
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_NUMA_BALANCING)
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd)
{
--
1.7.10.4
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