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36e5f9ee77
Select CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT and
remove arch/powerpc/mm/mmap.c
This change reuses the generic framework added by
commit 67f3977f805b ("arm64, mm: move generic mmap layout
functions to mm") without any functional change.
Comparison between powerpc implementation and the generic one:
- mmap_is_legacy() is identical.
- arch_mmap_rnd() does exactly the same allthough it's written
slightly differently.
- MIN_GAP and MAX_GAP are identical.
- mmap_base() does the same but uses STACK_RND_MASK which provides
the same values as stack_maxrandom_size().
- arch_pick_mmap_layout() is identical.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/518f9def87d3c889d5958103e7463cf45a2f673d.1649523076.git.christophe.leroy@csgroup.eu
22 lines
734 B
Makefile
22 lines
734 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the linux ppc-specific parts of the memory manager.
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#
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ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC)
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obj-y := fault.o mem.o pgtable.o maccess.o pageattr.o \
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init_$(BITS).o pgtable_$(BITS).o \
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pgtable-frag.o ioremap.o ioremap_$(BITS).o \
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init-common.o mmu_context.o drmem.o \
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cacheflush.o
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obj-$(CONFIG_PPC_MMU_NOHASH) += nohash/
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obj-$(CONFIG_PPC_BOOK3S_32) += book3s32/
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obj-$(CONFIG_PPC_BOOK3S_64) += book3s64/
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obj-$(CONFIG_NUMA) += numa.o
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obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
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obj-$(CONFIG_NOT_COHERENT_CACHE) += dma-noncoherent.o
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obj-$(CONFIG_PPC_COPRO_BASE) += copro_fault.o
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obj-$(CONFIG_PTDUMP_CORE) += ptdump/
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obj-$(CONFIG_KASAN) += kasan/
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