mm, x86: add support for PUD-sized transparent hugepages

[mirror_ubuntu-bionic-kernel.git] / arch / x86 / include / asm / paravirt.h

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index f75fbfe550f20561e40d578a782618d67fafada3..0489884fdc440c14e68a1b961987163234cb1525 100644 (file)
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -475,6 +475,17 @@ static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
                            native_pmd_val(pmd));
 }
 
+static inline void set_pud_at(struct mm_struct *mm, unsigned long addr,
+                             pud_t *pudp, pud_t pud)
+{
+       if (sizeof(pudval_t) > sizeof(long))
+               /* 5 arg words */
+               pv_mmu_ops.set_pud_at(mm, addr, pudp, pud);
+       else
+               PVOP_VCALL4(pv_mmu_ops.set_pud_at, mm, addr, pudp,
+                           native_pud_val(pud));
+}
+
 static inline void set_pmd(pmd_t *pmdp, pmd_t pmd)
 {
        pmdval_t val = native_pmd_val(pmd);