Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[cascardo/linux.git] / include / asm-generic / tlb.h

diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index e58fa77..f96a5b5 100644 (file)
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -139,6 +139,20 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
                __tlb_remove_tlb_entry(tlb, ptep, address);     \
        } while (0)
 
+/**
+ * tlb_remove_pmd_tlb_entry - remember a pmd mapping for later tlb invalidation
+ * This is a nop so far, because only x86 needs it.
+ */
+#ifndef __tlb_remove_pmd_tlb_entry
+#define __tlb_remove_pmd_tlb_entry(tlb, pmdp, address) do {} while (0)
+#endif
+
+#define tlb_remove_pmd_tlb_entry(tlb, pmdp, address)           \
+       do {                                                    \
+               tlb->need_flush = 1;                            \
+               __tlb_remove_pmd_tlb_entry(tlb, pmdp, address); \
+       } while (0)
+
 #define pte_free_tlb(tlb, ptep, address)                       \
        do {                                                    \
                tlb->need_flush = 1;                            \