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Subject[PATCH 1/2] tlb: export tlb_flush_mmu_tlbonly
The mmu gather logic for tlb flush will be used in mremap case so export
this function.

Signed-off-by: Aaron Lu <aaron.lu@intel.com>
---
include/asm-generic/tlb.h | 1 +
mm/memory.c | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index c6d667187608..0f1861db935c 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -119,6 +119,7 @@ struct mmu_gather {

void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end);
void tlb_flush_mmu(struct mmu_gather *tlb);
+void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb);
void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start,
unsigned long end);
extern bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page,
diff --git a/mm/memory.c b/mm/memory.c
index e18c57bdc75c..130d82f7d8a2 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -238,7 +238,7 @@ void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long
__tlb_reset_range(tlb);
}

-static void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
+void tlb_flush_mmu_tlbonly(struct mmu_gather *tlb)
{
if (!tlb->end)
return;
--
2.5.5
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