[RFC PATCH 1/2] mm: move tlb_table_flush to tlb_flush_mmu_free

From: Nicholas Piggin
Date: Thu Aug 23 2018 - 04:47:32 EST


There is no need to call this from tlb_flush_mmu_tlbonly, it
logically belongs with tlb_flush_mmu_free. This allows some
code consolidation with a subsequent fix.

Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>
---
mm/memory.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/memory.c b/mm/memory.c
index 19f47d7b9b86..7c58310734eb 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -245,9 +245,6 @@ static void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)

tlb_flush(tlb);
mmu_notifier_invalidate_range(tlb->mm, tlb->start, tlb->end);
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
- tlb_table_flush(tlb);
-#endif
__tlb_reset_range(tlb);
}

@@ -255,6 +252,9 @@ static void tlb_flush_mmu_free(struct mmu_gather *tlb)
{
struct mmu_gather_batch *batch;

+#ifdef CONFIG_HAVE_RCU_TABLE_FREE
+ tlb_table_flush(tlb);
+#endif
for (batch = &tlb->local; batch && batch->nr; batch = batch->next) {
free_pages_and_swap_cache(batch->pages, batch->nr);
batch->nr = 0;
--
2.17.0