Since commit 555904d07eef ("powerpc/8xx: MM_SLICE is not needed
anymore") only book3s/64 selects CONFIG_PPC_MM_SLICES.

Move slice.c into mm/book3s64/

Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
---
v2: Remove now unnecessary #ifdef CONFIG_PPC_BOOK3S_64 in slice.c
---
 arch/powerpc/mm/Makefile               | 1 -
 arch/powerpc/mm/book3s64/Makefile      | 1 +
 arch/powerpc/mm/{ => book3s64}/slice.c | 2 --
 arch/powerpc/mm/nohash/mmu_context.c   | 9 ---------
 arch/powerpc/mm/nohash/tlb.c           | 4 ----
 5 files changed, 1 insertion(+), 16 deletions(-)
 rename arch/powerpc/mm/{ => book3s64}/slice.c (99%)

diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index df8172da2301..d4c20484dad9 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -14,7 +14,6 @@ obj-$(CONFIG_PPC_MMU_NOHASH)  += nohash/
 obj-$(CONFIG_PPC_BOOK3S_32)    += book3s32/
 obj-$(CONFIG_PPC_BOOK3S_64)    += book3s64/
 obj-$(CONFIG_NUMA) += numa.o
-obj-$(CONFIG_PPC_MM_SLICES)    += slice.o
 obj-$(CONFIG_HUGETLB_PAGE)     += hugetlbpage.o
 obj-$(CONFIG_NOT_COHERENT_CACHE) += dma-noncoherent.o
 obj-$(CONFIG_PPC_COPRO_BASE)   += copro_fault.o
diff --git a/arch/powerpc/mm/book3s64/Makefile 
b/arch/powerpc/mm/book3s64/Makefile
index 2d50cac499c5..af2f3e75d458 100644
--- a/arch/powerpc/mm/book3s64/Makefile
+++ b/arch/powerpc/mm/book3s64/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_PPC_RADIX_MMU)   += radix_hugetlbpage.o
 endif
 obj-$(CONFIG_SPAPR_TCE_IOMMU)  += iommu_api.o
 obj-$(CONFIG_PPC_PKEY) += pkeys.o
+obj-$(CONFIG_PPC_MM_SLICES)    += slice.o
 
 # Instrumenting the SLB fault path can lead to duplicate SLB entries
 KCOV_INSTRUMENT_slb.o := n
diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/book3s64/slice.c
similarity index 99%
rename from arch/powerpc/mm/slice.c
rename to arch/powerpc/mm/book3s64/slice.c
index 82b45b1cb973..c83be371c6e7 100644
--- a/arch/powerpc/mm/slice.c
+++ b/arch/powerpc/mm/book3s64/slice.c
@@ -712,7 +712,6 @@ void slice_init_new_context_exec(struct mm_struct *mm)
                bitmap_fill(mask->high_slices, SLICE_NUM_HIGH);
 }
 
-#ifdef CONFIG_PPC_BOOK3S_64
 void slice_setup_new_exec(void)
 {
        struct mm_struct *mm = current->mm;
@@ -724,7 +723,6 @@ void slice_setup_new_exec(void)
 
        mm_ctx_set_slb_addr_limit(&mm->context, DEFAULT_MAP_WINDOW);
 }
-#endif
 
 void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
                           unsigned long len, unsigned int psize)
diff --git a/arch/powerpc/mm/nohash/mmu_context.c 
b/arch/powerpc/mm/nohash/mmu_context.c
index 44b2b5e7cabe..dc3528e815b9 100644
--- a/arch/powerpc/mm/nohash/mmu_context.c
+++ b/arch/powerpc/mm/nohash/mmu_context.c
@@ -313,15 +313,6 @@ void switch_mmu_context(struct mm_struct *prev, struct 
mm_struct *next,
  */
 int init_new_context(struct task_struct *t, struct mm_struct *mm)
 {
-       /*
-        * We have MMU_NO_CONTEXT set to be ~0. Hence check
-        * explicitly against context.id == 0. This ensures that we properly
-        * initialize context slice details for newly allocated mm's (which will
-        * have id == 0) and don't alter context slice inherited via fork (which
-        * will have id != 0).
-        */
-       if (mm->context.id == 0)
-               slice_init_new_context_exec(mm);
        mm->context.id = MMU_NO_CONTEXT;
        mm->context.active = 0;
        pte_frag_set(&mm->context, NULL);
diff --git a/arch/powerpc/mm/nohash/tlb.c b/arch/powerpc/mm/nohash/tlb.c
index 311281063d48..3359cf7c2a61 100644
--- a/arch/powerpc/mm/nohash/tlb.c
+++ b/arch/powerpc/mm/nohash/tlb.c
@@ -773,9 +773,5 @@ void __init early_init_mmu(void)
 #ifdef CONFIG_PPC_47x
        early_init_mmu_47x();
 #endif
-
-#ifdef CONFIG_PPC_MM_SLICES
-       mm_ctx_set_slb_addr_limit(&init_mm.context, SLB_ADDR_LIMIT_DEFAULT);
-#endif
 }
 #endif /* CONFIG_PPC64 */
-- 
2.33.1

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