linux-kernel - [tip:x86/mm] x86/mm/tlb: Add freed_tables element to flush_tlb

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Message-ID: <tip-97807813fe7074ee865d6bc1df1d0f8fb878ee9d@git.kernel.org>
Date:   Tue, 9 Oct 2018 08:00:56 -0700
From:   tip-bot for Rik van Riel <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, riel@...riel.com,
        peterz@...radead.org, mingo@...nel.org, tglx@...utronix.de,
        hpa@...or.com
Subject: [tip:x86/mm] x86/mm/tlb: Add freed_tables element to flush_tlb_info

Commit-ID:  97807813fe7074ee865d6bc1df1d0f8fb878ee9d
Gitweb:     https://git.kernel.org/tip/97807813fe7074ee865d6bc1df1d0f8fb878ee9d
Author:     Rik van Riel <riel@...riel.com>
AuthorDate: Tue, 25 Sep 2018 23:58:43 -0400
Committer:  Peter Zijlstra <peterz@...radead.org>
CommitDate: Tue, 9 Oct 2018 16:51:12 +0200

x86/mm/tlb: Add freed_tables element to flush_tlb_info

Pass the information on to native_flush_tlb_others.

No functional changes.

Cc: npiggin@...il.com
Cc: mingo@...nel.org
Cc: will.deacon@....com
Cc: songliubraving@...com
Cc: kernel-team@...com
Cc: hpa@...or.com
Cc: luto@...nel.org
Signed-off-by: Rik van Riel <riel@...riel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Link: http://lkml.kernel.org/r/20180926035844.1420-7-riel@surriel.com
---
 arch/x86/include/asm/tlbflush.h | 1 +
 arch/x86/mm/tlb.c               | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index 1dea9860ce5b..323a313947e0 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -532,6 +532,7 @@ struct flush_tlb_info {
 	unsigned long		end;
 	u64			new_tlb_gen;
 	unsigned int		stride_shift;
+	bool			freed_tables;
 };
 
 #define local_flush_tlb() __flush_tlb()
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 14bf39fc0447..92e46f4c058c 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -617,6 +617,7 @@ void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
 	struct flush_tlb_info info __aligned(SMP_CACHE_BYTES) = {
 		.mm = mm,
 		.stride_shift = stride_shift,
+		.freed_tables = freed_tables,
 	};
 
 	cpu = get_cpu();