[PATCH] mm: Define set_pmd_at for numabalance for CONFIG_PARAVIRT

[Michal Hocko]

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 âchange_pmd_protnumaâ:
mm/mprotect.c:120: error: implicit declaration of function âset_pmd_atâ

mm/memory.c: In function âdo_pmd_numa_pageâ:
mm/memory.c:3529: error: implicit declaration of function âset_pmd_atâ

Signed-off-by: Michal Hocko <mhocko@xxxxxxx>
---
 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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