linux-kernel - [PATCH 15/27] asm-generic: Add missing generic tlb

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Message-Id: <1fe78b00ce976fdcdd9f4a347bf4310a011b2c60.1241105648.git.arnd@arndb.de>
Date:	Sat, 8 Nov 2008 11:37:51 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	unlisted-recipients:; (no To-header on input)
Cc:	linux-arch@...r.kernel.org, Michal Simek <monstr@...str.eu>,
	Remis Lima Baima <remis.developer@...glemail.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 15/27] asm-generic: Add missing generic tlb_flush definition

All architectures with an MMU define tlb_flush as
flush_tlb_mm((tlb)->mm). This adds it as a default
implementation in asm-generic/tlb.h so that new nommu
architectures can simply use the header as is and
others can stop defining it themselves.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Remis Lima Baima <remis.developer@...glemail.com>
---
 include/asm-generic/tlb.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index f490e43..3a65502 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -47,6 +47,10 @@ struct mmu_gather {
 /* Users of the generic TLB shootdown code must declare this storage space. */
 DECLARE_PER_CPU(struct mmu_gather, mmu_gathers);
 
+#ifndef tlb_flush
+#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
+#endif
+
 /* tlb_gather_mmu
  *	Return a pointer to an initialized struct mmu_gather.
  */
-- 
1.5.6.3


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