Patchwork [17/20] powerpc/mm: Move around mmu_gathers definition on 64-bit (v2)

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Submitter Benjamin Herrenschmidt
Date July 24, 2009, 9:15 a.m.
Message ID <20090724091559.A55AFDDD1B@ozlabs.org>
Download mbox | patch
Permalink /patch/30193/
State Accepted
Delegated to: Benjamin Herrenschmidt
Headers show

Comments

Benjamin Herrenschmidt - July 24, 2009, 9:15 a.m.
The definition for the global structure mmu_gathers, used by generic code,
is currently defined in multiple places not including anything used by
64-bit Book3E. This changes it by moving to one place common to all
processors.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

v2. Fix issues due to changes in other patches

 arch/powerpc/mm/init_32.c    |    2 --
 arch/powerpc/mm/pgtable.c    |    2 ++
 arch/powerpc/mm/tlb_hash64.c |    5 -----
 3 files changed, 2 insertions(+), 7 deletions(-)

Patch

--- linux-work.orig/arch/powerpc/mm/tlb_hash64.c	2009-07-24 18:14:35.000000000 +1000
+++ linux-work/arch/powerpc/mm/tlb_hash64.c	2009-07-24 18:14:51.000000000 +1000
@@ -33,11 +33,6 @@ 
 
 DEFINE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch);
 
-/* This is declared as we are using the more or less generic
- * arch/powerpc/include/asm/tlb.h file -- tgall
- */
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
 /*
  * A linux PTE was changed and the corresponding hash table entry
  * neesd to be flushed. This function will either perform the flush
Index: linux-work/arch/powerpc/mm/init_32.c
===================================================================
--- linux-work.orig/arch/powerpc/mm/init_32.c	2009-07-24 18:14:35.000000000 +1000
+++ linux-work/arch/powerpc/mm/init_32.c	2009-07-24 18:14:51.000000000 +1000
@@ -54,8 +54,6 @@ 
 #endif
 #define MAX_LOW_MEM	CONFIG_LOWMEM_SIZE
 
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
 phys_addr_t total_memory;
 phys_addr_t total_lowmem;
 
Index: linux-work/arch/powerpc/mm/pgtable.c
===================================================================
--- linux-work.orig/arch/powerpc/mm/pgtable.c	2009-07-24 18:14:35.000000000 +1000
+++ linux-work/arch/powerpc/mm/pgtable.c	2009-07-24 18:15:05.000000000 +1000
@@ -30,6 +30,8 @@ 
 #include <asm/tlbflush.h>
 #include <asm/tlb.h>
 
+DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
+
 #ifdef CONFIG_SMP
 
 /*