[PATCH 12/20] sh: Preemptible mmu_gather

Peter Zijlstra
2010-08-28T14:28:33Z

[-- Attachment #1: mm-preempt-tlb-gather-sh.patch --]
[-- Type: text/plain, Size: 1303 bytes --]

Fix up the sh mmu_gahter code to conform to the new API.

Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
arch/sh/include/asm/tlb.h | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)

Index: linux-2.6/arch/sh/include/asm/tlb.h
===================================================================
--- linux-2.6.orig/arch/sh/include/asm/tlb.h
+++ linux-2.6/arch/sh/include/asm/tlb.h
@@ -23,8 +23,6 @@ struct mmu_gather {
unsigned long start, end;
};

-DECLARE_PER_CPU(struct mmu_gather, mmu_gathers);
-
static inline void init_tlb_gather(struct mmu_gather *tlb)
{
tlb->start = TASK_SIZE;
@@ -36,17 +34,13 @@ static inline void init_tlb_gather(struc
}
}

-static inline struct mmu_gather *
-tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush)
+static inline void
+tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush)
{
- struct mmu_gather *tlb = &get_cpu_var(mmu_gathers);
-
tlb->mm = mm;
tlb->fullmm = full_mm_flush;

init_tlb_gather(tlb);
-
- return tlb;
}

static inline void
@@ -57,8 +51,6 @@ tlb_finish_mmu(struct mmu_gather *tlb, u

/* keep the page table cache within bounds */
check_pgt_cache();
-
- put_cpu_var(mmu_gathers);
}

static inline void