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authorPaul Mackerras <paulus@samba.org>2005-10-10 21:52:43 +1000
committerPaul Mackerras <paulus@samba.org>2005-10-10 21:52:43 +1000
commit70d64ceaa1a84d2502405422a4dfd3f87786a347 (patch)
tree23e38168021988d34b11c6f41cfff82f8095092e /arch
parenta432403a89646614252c3bb6dfbe897c8312ab35 (diff)
downloadop-kernel-dev-70d64ceaa1a84d2502405422a4dfd3f87786a347.zip
op-kernel-dev-70d64ceaa1a84d2502405422a4dfd3f87786a347.tar.gz
powerpc: Rename files to have consistent _32/_64 suffixes
This doesn't change any code, just renames things so we consistently have foo_32.c and foo_64.c where we have separate 32- and 64-bit versions. Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/Makefile2
-rw-r--r--arch/powerpc/kernel/Makefile4
-rw-r--r--arch/powerpc/kernel/head_32.S (renamed from arch/powerpc/kernel/head.S)0
-rw-r--r--arch/powerpc/kernel/setup_32.c (renamed from arch/powerpc/kernel/setup.c)0
-rw-r--r--arch/powerpc/lib/Makefile6
-rw-r--r--arch/powerpc/lib/checksum_32.S (renamed from arch/powerpc/lib/checksum.S)0
-rw-r--r--arch/powerpc/lib/checksum_64.S (renamed from arch/powerpc/lib/checksum64.S)0
-rw-r--r--arch/powerpc/lib/copy_32.S (renamed from arch/powerpc/lib/copy32.S)0
-rw-r--r--arch/powerpc/lib/copypage_64.S (renamed from arch/powerpc/lib/copypage.S)0
-rw-r--r--arch/powerpc/lib/copyuser_64.S (renamed from arch/powerpc/lib/copyuser.S)0
-rw-r--r--arch/powerpc/lib/mem_64.S119
-rw-r--r--arch/powerpc/lib/memcpy_64.S (renamed from arch/powerpc/lib/memcpy.S)0
-rw-r--r--arch/powerpc/lib/usercopy_64.c (renamed from arch/powerpc/lib/usercopy.c)0
-rw-r--r--arch/powerpc/mm/Makefile8
-rw-r--r--arch/powerpc/mm/hash_low_32.S (renamed from arch/powerpc/mm/hash_32.S)0
-rw-r--r--arch/powerpc/mm/init_32.c (renamed from arch/powerpc/mm/init.c)0
-rw-r--r--arch/powerpc/mm/init_64.c (renamed from arch/powerpc/mm/init64.c)0
-rw-r--r--arch/powerpc/mm/mem64.c259
-rw-r--r--arch/powerpc/mm/mmu_context_32.c (renamed from arch/powerpc/mm/mmu_context.c)0
-rw-r--r--arch/powerpc/mm/mmu_context_64.c (renamed from arch/powerpc/mm/mmu_context64.c)0
-rw-r--r--arch/powerpc/mm/pgtable_32.c (renamed from arch/powerpc/mm/pgtable.c)0
-rw-r--r--arch/powerpc/mm/pgtable_64.c (renamed from arch/powerpc/mm/pgtable64.c)0
-rw-r--r--arch/powerpc/mm/ppc_mmu_32.c (renamed from arch/powerpc/mm/ppc_mmu.c)0
-rw-r--r--arch/powerpc/mm/tlb_32.c (renamed from arch/powerpc/mm/tlb.c)0
24 files changed, 129 insertions, 269 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index eb1224c..0648640 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -112,7 +112,7 @@ CFLAGS += $(cpu-as-y)
# Default to the common case.
KBUILD_DEFCONFIG := common_defconfig
-head-y := arch/powerpc/kernel/head.o
+head-y := arch/powerpc/kernel/head_32.o
head-$(CONFIG_PPC64) := arch/powerpc/kernel/head_64.o
head-$(CONFIG_8xx) := arch/powerpc/kernel/head_8xx.o
head-$(CONFIG_4xx) := arch/powerpc/kernel/head_4xx.o
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 06d618e..344cab6 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -10,7 +10,7 @@ CFLAGS_prom_init.o += -fPIC
CFLAGS_btext.o += -fPIC
endif
-extra-$(CONFIG_PPC_STD_MMU) := head.o
+extra-$(CONFIG_PPC_STD_MMU) := head_32.o
extra-$(CONFIG_PPC64) := head_64.o
extra-$(CONFIG_40x) := head_4xx.o
extra-$(CONFIG_44x) := head_44x.o
@@ -21,7 +21,7 @@ extra-$(CONFIG_PPC_FPU) += fpu.o
extra-y += vmlinux.lds
obj-y := traps.o prom.o semaphore.o
-obj-$(CONFIG_PPC32) += setup.o process.o
+obj-$(CONFIG_PPC32) += setup_32.o process.o
obj-$(CONFIG_PPC64) += idle_power4.o
ifeq ($(CONFIG_PPC32),y)
obj-$(CONFIG_PPC_OF) += prom_init.o of_device.o
diff --git a/arch/powerpc/kernel/head.S b/arch/powerpc/kernel/head_32.S
index d9dbbd4..d9dbbd4 100644
--- a/arch/powerpc/kernel/head.S
+++ b/arch/powerpc/kernel/head_32.S
diff --git a/arch/powerpc/kernel/setup.c b/arch/powerpc/kernel/setup_32.c
index 27d7f82..27d7f82 100644
--- a/arch/powerpc/kernel/setup.c
+++ b/arch/powerpc/kernel/setup_32.c
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 347f979..a8cedb9 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -3,7 +3,7 @@
#
obj-y := strcase.o string.o
-obj-$(CONFIG_PPC32) += div64.o copy32.o checksum.o
-obj-$(CONFIG_PPC64) += copypage.o copyuser.o memcpy.o usercopy.o \
- sstep.o checksum64.o
+obj-$(CONFIG_PPC32) += div64.o copy_32.o checksum_32.o
+obj-$(CONFIG_PPC64) += copypage_64.o copyuser_64.o memcpy_64.o \
+ usercopy_64.o sstep.o checksum_64.o mem_64.o
obj-$(CONFIG_PPC_ISERIES) += e2a.o
diff --git a/arch/powerpc/lib/checksum.S b/arch/powerpc/lib/checksum_32.S
index 7874e8a..7874e8a 100644
--- a/arch/powerpc/lib/checksum.S
+++ b/arch/powerpc/lib/checksum_32.S
diff --git a/arch/powerpc/lib/checksum64.S b/arch/powerpc/lib/checksum_64.S
index ef96c6c..ef96c6c 100644
--- a/arch/powerpc/lib/checksum64.S
+++ b/arch/powerpc/lib/checksum_64.S
diff --git a/arch/powerpc/lib/copy32.S b/arch/powerpc/lib/copy_32.S
index 420a912..420a912 100644
--- a/arch/powerpc/lib/copy32.S
+++ b/arch/powerpc/lib/copy_32.S
diff --git a/arch/powerpc/lib/copypage.S b/arch/powerpc/lib/copypage_64.S
index 733d616..733d616 100644
--- a/arch/powerpc/lib/copypage.S
+++ b/arch/powerpc/lib/copypage_64.S
diff --git a/arch/powerpc/lib/copyuser.S b/arch/powerpc/lib/copyuser_64.S
index a0b3fbb..a0b3fbb 100644
--- a/arch/powerpc/lib/copyuser.S
+++ b/arch/powerpc/lib/copyuser_64.S
diff --git a/arch/powerpc/lib/mem_64.S b/arch/powerpc/lib/mem_64.S
new file mode 100644
index 0000000..68df202
--- /dev/null
+++ b/arch/powerpc/lib/mem_64.S
@@ -0,0 +1,119 @@
+/*
+ * String handling functions for PowerPC.
+ *
+ * Copyright (C) 1996 Paul Mackerras.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <asm/processor.h>
+#include <asm/errno.h>
+#include <asm/ppc_asm.h>
+
+_GLOBAL(memset)
+ neg r0,r3
+ rlwimi r4,r4,8,16,23
+ andi. r0,r0,7 /* # bytes to be 8-byte aligned */
+ rlwimi r4,r4,16,0,15
+ cmplw cr1,r5,r0 /* do we get that far? */
+ rldimi r4,r4,32,0
+ mtcrf 1,r0
+ mr r6,r3
+ blt cr1,8f
+ beq+ 3f /* if already 8-byte aligned */
+ subf r5,r0,r5
+ bf 31,1f
+ stb r4,0(r6)
+ addi r6,r6,1
+1: bf 30,2f
+ sth r4,0(r6)
+ addi r6,r6,2
+2: bf 29,3f
+ stw r4,0(r6)
+ addi r6,r6,4
+3: srdi. r0,r5,6
+ clrldi r5,r5,58
+ mtctr r0
+ beq 5f
+4: std r4,0(r6)
+ std r4,8(r6)
+ std r4,16(r6)
+ std r4,24(r6)
+ std r4,32(r6)
+ std r4,40(r6)
+ std r4,48(r6)
+ std r4,56(r6)
+ addi r6,r6,64
+ bdnz 4b
+5: srwi. r0,r5,3
+ clrlwi r5,r5,29
+ mtcrf 1,r0
+ beq 8f
+ bf 29,6f
+ std r4,0(r6)
+ std r4,8(r6)
+ std r4,16(r6)
+ std r4,24(r6)
+ addi r6,r6,32
+6: bf 30,7f
+ std r4,0(r6)
+ std r4,8(r6)
+ addi r6,r6,16
+7: bf 31,8f
+ std r4,0(r6)
+ addi r6,r6,8
+8: cmpwi r5,0
+ mtcrf 1,r5
+ beqlr+
+ bf 29,9f
+ stw r4,0(r6)
+ addi r6,r6,4
+9: bf 30,10f
+ sth r4,0(r6)
+ addi r6,r6,2
+10: bflr 31
+ stb r4,0(r6)
+ blr
+
+_GLOBAL(memmove)
+ cmplw 0,r3,r4
+ bgt .backwards_memcpy
+ b .memcpy
+
+_GLOBAL(backwards_memcpy)
+ rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
+ add r6,r3,r5
+ add r4,r4,r5
+ beq 2f
+ andi. r0,r6,3
+ mtctr r7
+ bne 5f
+1: lwz r7,-4(r4)
+ lwzu r8,-8(r4)
+ stw r7,-4(r6)
+ stwu r8,-8(r6)
+ bdnz 1b
+ andi. r5,r5,7
+2: cmplwi 0,r5,4
+ blt 3f
+ lwzu r0,-4(r4)
+ subi r5,r5,4
+ stwu r0,-4(r6)
+3: cmpwi 0,r5,0
+ beqlr
+ mtctr r5
+4: lbzu r0,-1(r4)
+ stbu r0,-1(r6)
+ bdnz 4b
+ blr
+5: mtctr r0
+6: lbzu r7,-1(r4)
+ stbu r7,-1(r6)
+ bdnz 6b
+ subf r5,r0,r5
+ rlwinm. r7,r5,32-3,3,31
+ beq 2b
+ mtctr r7
+ b 1b
diff --git a/arch/powerpc/lib/memcpy.S b/arch/powerpc/lib/memcpy_64.S
index 9ccacdf..9ccacdf 100644
--- a/arch/powerpc/lib/memcpy.S
+++ b/arch/powerpc/lib/memcpy_64.S
diff --git a/arch/powerpc/lib/usercopy.c b/arch/powerpc/lib/usercopy_64.c
index 5eea6f3..5eea6f3 100644
--- a/arch/powerpc/lib/usercopy.c
+++ b/arch/powerpc/lib/usercopy_64.c
diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index afd3be1..35497de 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -3,10 +3,10 @@
#
obj-y := fault.o mem.o lmb.o
-obj-$(CONFIG_PPC32) += init.o pgtable.o mmu_context.o \
- tlb.o
-obj-$(CONFIG_PPC64) += init64.o pgtable64.o mmu_context64.o
-obj-$(CONFIG_PPC_STD_MMU_32) += ppc_mmu.o hash_32.o
+obj-$(CONFIG_PPC32) += init_32.o pgtable_32.o mmu_context_32.o \
+ tlb_32.o
+obj-$(CONFIG_PPC64) += init_64.o pgtable_64.o mmu_context_64.o
+obj-$(CONFIG_PPC_STD_MMU_32) += ppc_mmu_32.o hash_low_32.o
obj-$(CONFIG_40x) += 4xx_mmu.o
obj-$(CONFIG_44x) += 44x_mmu.o
obj-$(CONFIG_FSL_BOOKE) += fsl_booke_mmu.o
diff --git a/arch/powerpc/mm/hash_32.S b/arch/powerpc/mm/hash_low_32.S
index 57278a8..57278a8 100644
--- a/arch/powerpc/mm/hash_32.S
+++ b/arch/powerpc/mm/hash_low_32.S
diff --git a/arch/powerpc/mm/init.c b/arch/powerpc/mm/init_32.c
index bf13c14..bf13c14 100644
--- a/arch/powerpc/mm/init.c
+++ b/arch/powerpc/mm/init_32.c
diff --git a/arch/powerpc/mm/init64.c b/arch/powerpc/mm/init_64.c
index c0ce6a7..c0ce6a7 100644
--- a/arch/powerpc/mm/init64.c
+++ b/arch/powerpc/mm/init_64.c
diff --git a/arch/powerpc/mm/mem64.c b/arch/powerpc/mm/mem64.c
deleted file mode 100644
index ef765a8..0000000
--- a/arch/powerpc/mm/mem64.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- * PowerPC version
- * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- * Modifications by Paul Mackerras (PowerMac) (paulus@cs.anu.edu.au)
- * and Cort Dougan (PReP) (cort@cs.nmt.edu)
- * Copyright (C) 1996 Paul Mackerras
- * Amiga/APUS changes by Jesper Skov (jskov@cygnus.co.uk).
- *
- * Derived from "arch/i386/mm/init.c"
- * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
- *
- * Dave Engebretsen <engebret@us.ibm.com>
- * Rework for PPC64 port.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- */
-
-#include <linux/config.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/mman.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/stddef.h>
-#include <linux/vmalloc.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/bootmem.h>
-#include <linux/highmem.h>
-#include <linux/idr.h>
-#include <linux/nodemask.h>
-#include <linux/module.h>
-
-#include <asm/pgalloc.h>
-#include <asm/page.h>
-#include <asm/prom.h>
-#include <asm/lmb.h>
-#include <asm/rtas.h>
-#include <asm/io.h>
-#include <asm/mmu_context.h>
-#include <asm/pgtable.h>
-#include <asm/mmu.h>
-#include <asm/uaccess.h>
-#include <asm/smp.h>
-#include <asm/machdep.h>
-#include <asm/tlb.h>
-#include <asm/eeh.h>
-#include <asm/processor.h>
-#include <asm/mmzone.h>
-#include <asm/cputable.h>
-#include <asm/ppcdebug.h>
-#include <asm/sections.h>
-#include <asm/system.h>
-#include <asm/iommu.h>
-#include <asm/abs_addr.h>
-#include <asm/vdso.h>
-#include <asm/imalloc.h>
-
-/*
- * This is called by /dev/mem to know if a given address has to
- * be mapped non-cacheable or not
- */
-int page_is_ram(unsigned long pfn)
-{
- int i;
- unsigned long paddr = (pfn << PAGE_SHIFT);
-
- for (i=0; i < lmb.memory.cnt; i++) {
- unsigned long base;
-
- base = lmb.memory.region[i].base;
-
- if ((paddr >= base) &&
- (paddr < (base + lmb.memory.region[i].size))) {
- return 1;
- }
- }
-
- return 0;
-}
-EXPORT_SYMBOL(page_is_ram);
-
-pgprot_t phys_mem_access_prot(struct file *file, unsigned long addr,
- unsigned long size, pgprot_t vma_prot)
-{
- if (ppc_md.phys_mem_access_prot)
- return ppc_md.phys_mem_access_prot(file, addr, size, vma_prot);
-
- if (!page_is_ram(addr >> PAGE_SHIFT))
- vma_prot = __pgprot(pgprot_val(vma_prot)
- | _PAGE_GUARDED | _PAGE_NO_CACHE);
- return vma_prot;
-}
-EXPORT_SYMBOL(phys_mem_access_prot);
-
-void show_mem(void)
-{
- unsigned long total = 0, reserved = 0;
- unsigned long shared = 0, cached = 0;
- struct page *page;
- pg_data_t *pgdat;
- unsigned long i;
-
- printk("Mem-info:\n");
- show_free_areas();
- printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
- for_each_pgdat(pgdat) {
- for (i = 0; i < pgdat->node_spanned_pages; i++) {
- page = pgdat_page_nr(pgdat, i);
- total++;
- if (PageReserved(page))
- reserved++;
- else if (PageSwapCache(page))
- cached++;
- else if (page_count(page))
- shared += page_count(page) - 1;
- }
- }
- printk("%ld pages of RAM\n", total);
- printk("%ld reserved pages\n", reserved);
- printk("%ld pages shared\n", shared);
- printk("%ld pages swap cached\n", cached);
-}
-
-/*
- * This is called when a page has been modified by the kernel.
- * It just marks the page as not i-cache clean. We do the i-cache
- * flush later when the page is given to a user process, if necessary.
- */
-void flush_dcache_page(struct page *page)
-{
- if (cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
- return;
- /* avoid an atomic op if possible */
- if (test_bit(PG_arch_1, &page->flags))
- clear_bit(PG_arch_1, &page->flags);
-}
-EXPORT_SYMBOL(flush_dcache_page);
-
-void clear_user_page(void *page, unsigned long vaddr, struct page *pg)
-{
- clear_page(page);
-
- if (cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
- return;
- /*
- * We shouldnt have to do this, but some versions of glibc
- * require it (ld.so assumes zero filled pages are icache clean)
- * - Anton
- */
-
- /* avoid an atomic op if possible */
- if (test_bit(PG_arch_1, &pg->flags))
- clear_bit(PG_arch_1, &pg->flags);
-}
-EXPORT_SYMBOL(clear_user_page);
-
-void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
- struct page *pg)
-{
- copy_page(vto, vfrom);
-
- /*
- * We should be able to use the following optimisation, however
- * there are two problems.
- * Firstly a bug in some versions of binutils meant PLT sections
- * were not marked executable.
- * Secondly the first word in the GOT section is blrl, used
- * to establish the GOT address. Until recently the GOT was
- * not marked executable.
- * - Anton
- */
-#if 0
- if (!vma->vm_file && ((vma->vm_flags & VM_EXEC) == 0))
- return;
-#endif
-
- if (cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
- return;
-
- /* avoid an atomic op if possible */
- if (test_bit(PG_arch_1, &pg->flags))
- clear_bit(PG_arch_1, &pg->flags);
-}
-
-void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
- unsigned long addr, int len)
-{
- unsigned long maddr;
-
- maddr = (unsigned long)page_address(page) + (addr & ~PAGE_MASK);
- flush_icache_range(maddr, maddr + len);
-}
-EXPORT_SYMBOL(flush_icache_user_range);
-
-/*
- * This is called at the end of handling a user page fault, when the
- * fault has been handled by updating a PTE in the linux page tables.
- * We use it to preload an HPTE into the hash table corresponding to
- * the updated linux PTE.
- *
- * This must always be called with the mm->page_table_lock held
- */
-void update_mmu_cache(struct vm_area_struct *vma, unsigned long ea,
- pte_t pte)
-{
- unsigned long vsid;
- void *pgdir;
- pte_t *ptep;
- int local = 0;
- cpumask_t tmp;
- unsigned long flags;
-
- /* handle i-cache coherency */
- if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE) &&
- !cpu_has_feature(CPU_FTR_NOEXECUTE)) {
- unsigned long pfn = pte_pfn(pte);
- if (pfn_valid(pfn)) {
- struct page *page = pfn_to_page(pfn);
- if (!PageReserved(page)
- && !test_bit(PG_arch_1, &page->flags)) {
- __flush_dcache_icache(page_address(page));
- set_bit(PG_arch_1, &page->flags);
- }
- }
- }
-
- /* We only want HPTEs for linux PTEs that have _PAGE_ACCESSED set */
- if (!pte_young(pte))
- return;
-
- pgdir = vma->vm_mm->pgd;
- if (pgdir == NULL)
- return;
-
- ptep = find_linux_pte(pgdir, ea);
- if (!ptep)
- return;
-
- vsid = get_vsid(vma->vm_mm->context.id, ea);
-
- local_irq_save(flags);
- tmp = cpumask_of_cpu(smp_processor_id());
- if (cpus_equal(vma->vm_mm->cpu_vm_mask, tmp))
- local = 1;
-
- __hash_page(ea, pte_val(pte) & (_PAGE_USER|_PAGE_RW), vsid, ptep,
- 0x300, local);
- local_irq_restore(flags);
-}
diff --git a/arch/powerpc/mm/mmu_context.c b/arch/powerpc/mm/mmu_context_32.c
index a8816e0..a8816e0 100644
--- a/arch/powerpc/mm/mmu_context.c
+++ b/arch/powerpc/mm/mmu_context_32.c
diff --git a/arch/powerpc/mm/mmu_context64.c b/arch/powerpc/mm/mmu_context_64.c
index 714a84d..714a84d 100644
--- a/arch/powerpc/mm/mmu_context64.c
+++ b/arch/powerpc/mm/mmu_context_64.c
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable_32.c
index 5792e53..5792e53 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable_32.c
diff --git a/arch/powerpc/mm/pgtable64.c b/arch/powerpc/mm/pgtable_64.c
index 724f97e..724f97e 100644
--- a/arch/powerpc/mm/pgtable64.c
+++ b/arch/powerpc/mm/pgtable_64.c
diff --git a/arch/powerpc/mm/ppc_mmu.c b/arch/powerpc/mm/ppc_mmu_32.c
index cef9e83..cef9e83 100644
--- a/arch/powerpc/mm/ppc_mmu.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
diff --git a/arch/powerpc/mm/tlb.c b/arch/powerpc/mm/tlb_32.c
index 6c3dc3c..6c3dc3c 100644
--- a/arch/powerpc/mm/tlb.c
+++ b/arch/powerpc/mm/tlb_32.c
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