From: Aaron Lu <aaron.lu@intel.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Memory Management List <linux-mm@kvack.org>,
Dave Hansen <dave.hansen@intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Huang Ying <ying.huang@intel.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] tlb: export tlb_flush_mmu_tlbonly
Date: Mon, 28 Nov 2016 16:39:31 +0800 [thread overview]
Message-ID: <20161128083931.GB21738@aaronlu.sh.intel.com> (raw)
In-Reply-To: <20161128083715.GA21738@aaronlu.sh.intel.com>
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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next prev parent reply other threads:[~2016-11-28 8:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-10 9:16 [PATCH] mremap: fix race between mremap() and page cleanning Aaron Lu
2016-11-17 7:45 ` Aaron Lu
2016-11-17 17:53 ` Linus Torvalds
2016-11-18 2:48 ` Aaron Lu
2016-11-28 8:37 ` [PATCH 0/2] use mmu gather logic for tlb flush in mremap Aaron Lu
2016-11-28 8:39 ` Aaron Lu [this message]
2016-11-28 8:40 ` [PATCH 2/2] mremap: " Aaron Lu
2016-11-28 17:15 ` Linus Torvalds
2016-11-29 2:57 ` [PATCH] mremap: move_ptes: check pte dirty after its removal Aaron Lu
2016-11-29 3:06 ` Linus Torvalds
2016-11-29 3:22 ` Aaron Lu
2016-11-29 5:27 ` [PATCH update] " Aaron Lu
2016-11-28 17:32 ` [PATCH 2/2] mremap: use mmu gather logic for tlb flush in mremap Dave Hansen
2016-11-28 17:42 ` Linus Torvalds
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