[SPARC64] mm: Do not flush TLB mm in tlb_finish_mmu()

It isn't needed any longer, as noted by Hugh Dickins.

We still need the flush routines, due to the one remaining
call site in hugetlb_prefault_arch_hook().  That can be
eliminated at some later point, however.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 4 deletions

diff --git a/include/asm-sparc64/tlb.h b/include/asm-sparc64/tlb.h
index 66138d959df5..1eda17954f39 100644
--- a/include/asm-sparc64/tlb.h
+++ b/include/asm-sparc64/tlb.h
@@ -78,11 +78,9 @@ static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, un
 {
         tlb_flush_mmu(mp);
 
-        if (mp->fullmm) {
-                if (CTX_VALID(mp->mm->context))
-                        do_flush_tlb_mm(mp->mm);
+        if (mp->fullmm)
                 mp->fullmm = 0;
-        } else
+        else
                 flush_tlb_pending();
 
         /* keep the page table cache within bounds */