mm: remove CONFIG_HAVE_MEMBLOCK

All architecures use memblock for early memory management. There is no need
for the CONFIG_HAVE_MEMBLOCK configuration option.

[rppt@linux.vnet.ibm.com: of/fdt: fixup #ifdefs]
  Link: http://lkml.kernel.org/r/20180919103457.GA20545@rapoport-lnx
[rppt@linux.vnet.ibm.com: csky: fixups after bootmem removal]
  Link: http://lkml.kernel.org/r/20180926112744.GC4628@rapoport-lnx
[rppt@linux.vnet.ibm.com: remove stale #else and the code it protects]
  Link: http://lkml.kernel.org/r/1538067825-24835-1-git-send-email-rppt@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/1536927045-23536-4-git-send-email-rppt@linux.vnet.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Tested-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Serge Semin <fancer.lancer@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Rapoport 2018-10-30 15:07:44 -07:00 committed by Linus Torvalds
parent b4a991ec58
commit aca52c3983
40 changed files with 11 additions and 199 deletions

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@ -31,7 +31,6 @@ config ALPHA
select ODD_RT_SIGACTION
select OLD_SIGSUSPEND
select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
select HAVE_MEMBLOCK
help
The Alpha is a 64-bit general-purpose processor designed and
marketed by the Digital Equipment Corporation of blessed memory,

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@ -37,7 +37,6 @@ config ARC
select HAVE_KERNEL_LZMA
select HAVE_KPROBES
select HAVE_KRETPROBES
select HAVE_MEMBLOCK
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_OPROFILE
select HAVE_PERF_EVENTS

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@ -82,7 +82,6 @@ config ARM
select HAVE_KERNEL_XZ
select HAVE_KPROBES if !XIP_KERNEL && !CPU_ENDIAN_BE32 && !CPU_V7M
select HAVE_KRETPROBES if (HAVE_KPROBES)
select HAVE_MEMBLOCK
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_NMI
select HAVE_OPROFILE if (HAVE_PERF_EVENTS)

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@ -139,7 +139,6 @@ config ARM64
select HAVE_GENERIC_DMA_COHERENT
select HAVE_HW_BREAKPOINT if PERF_EVENTS
select HAVE_IRQ_TIME_ACCOUNTING
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP if NUMA
select HAVE_NMI
select HAVE_PATA_PLATFORM

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@ -13,7 +13,6 @@ config C6X
select GENERIC_ATOMIC64
select GENERIC_IRQ_SHOW
select HAVE_ARCH_TRACEHOOK
select HAVE_MEMBLOCK
select SPARSE_IRQ
select IRQ_DOMAIN
select OF

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@ -36,7 +36,6 @@ config CSKY
select HAVE_C_RECORDMCOUNT
select HAVE_DMA_API_DEBUG
select HAVE_DMA_CONTIGUOUS
select HAVE_MEMBLOCK
select MAY_HAVE_SPARSE_IRQ
select MODULES_USE_ELF_RELA if MODULES
select OF

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@ -3,7 +3,6 @@
#include <linux/console.h>
#include <linux/memblock.h>
#include <linux/bootmem.h>
#include <linux/initrd.h>
#include <linux/of.h>
#include <linux/of_fdt.h>

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@ -4,7 +4,7 @@
#include <linux/module.h>
#include <linux/highmem.h>
#include <linux/smp.h>
#include <linux/bootmem.h>
#include <linux/memblock.h>
#include <asm/fixmap.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
@ -140,7 +140,7 @@ static void __init fixrange_init(unsigned long start, unsigned long end,
pmd = (pmd_t *)pud;
for (; (k < PTRS_PER_PMD) && (vaddr != end); pmd++, k++) {
if (pmd_none(*pmd)) {
pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
pte = (pte_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE);
set_pmd(pmd, __pmd(__pa(pte)));
BUG_ON(pte != pte_offset_kernel(pmd, 0));
}

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@ -14,7 +14,6 @@
#include <linux/ptrace.h>
#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/bootmem.h>
#include <linux/highmem.h>
#include <linux/memblock.h>
#include <linux/swap.h>
@ -47,7 +46,7 @@ void __init mem_init(void)
#endif
high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
free_all_bootmem();
memblock_free_all();
#ifdef CONFIG_HIGHMEM
for (tmp = highstart_pfn; tmp < highend_pfn; tmp++) {

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@ -15,7 +15,6 @@ config H8300
select OF
select OF_IRQ
select OF_EARLY_FLATTREE
select HAVE_MEMBLOCK
select TIMER_OF
select H8300_TMR8
select HAVE_KERNEL_GZIP

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@ -21,7 +21,6 @@ config HEXAGON
select GENERIC_IRQ_SHOW
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
select HAVE_MEMBLOCK
select ARCH_DISCARD_MEMBLOCK
select NEED_SG_DMA_LENGTH
select NO_IOPORT_MAP

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@ -26,7 +26,6 @@ config IA64
select HAVE_FUNCTION_TRACER
select TTY
select HAVE_ARCH_TRACEHOOK
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_VIRT_CPU_ACCOUNTING
select ARCH_HAS_DMA_MARK_CLEAN

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@ -27,7 +27,6 @@ config M68K
select OLD_SIGSUSPEND3
select OLD_SIGACTION
select DMA_DIRECT_OPS if HAS_DMA
select HAVE_MEMBLOCK
select ARCH_DISCARD_MEMBLOCK
config CPU_BIG_ENDIAN

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@ -28,7 +28,6 @@ config MICROBLAZE
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_OPROFILE
select IRQ_DOMAIN

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@ -60,7 +60,6 @@ config MIPS
select HAVE_IRQ_TIME_ACCOUNTING
select HAVE_KPROBES
select HAVE_KRETPROBES
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_NMI

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@ -29,7 +29,6 @@ config NDS32
select HANDLE_DOMAIN_IRQ
select HAVE_ARCH_TRACEHOOK
select HAVE_DEBUG_KMEMLEAK
select HAVE_MEMBLOCK
select HAVE_REGS_AND_STACK_ACCESS_API
select IRQ_DOMAIN
select LOCKDEP_SUPPORT

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@ -23,7 +23,6 @@ config NIOS2
select SPARSE_IRQ
select USB_ARCH_HAS_HCD if USB_SUPPORT
select CPU_NO_EFFICIENT_FFS
select HAVE_MEMBLOCK
select ARCH_DISCARD_MEMBLOCK
config GENERIC_CSUM

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@ -12,7 +12,6 @@ config OPENRISC
select OF_EARLY_FLATTREE
select IRQ_DOMAIN
select HANDLE_DOMAIN_IRQ
select HAVE_MEMBLOCK
select GPIOLIB
select HAVE_ARCH_TRACEHOOK
select SPARSE_IRQ

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@ -15,7 +15,6 @@ config PARISC
select RTC_CLASS
select RTC_DRV_GENERIC
select INIT_ALL_POSSIBLE
select HAVE_MEMBLOCK
select BUG
select BUILDTIME_EXTABLE_SORT
select HAVE_PERF_EVENTS

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@ -206,7 +206,6 @@ config PPC
select HAVE_KRETPROBES
select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
select HAVE_LIVEPATCH if HAVE_DYNAMIC_FTRACE_WITH_REGS
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_NMI if PERF_EVENTS || (PPC64 && PPC_BOOK3S)

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@ -28,7 +28,6 @@ config RISCV
select GENERIC_STRNLEN_USER
select GENERIC_SMP_IDLE_THREAD
select GENERIC_ATOMIC64 if !64BIT || !RISCV_ISA_A
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_DMA_CONTIGUOUS
select HAVE_FUTEX_CMPXCHG if FUTEX

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@ -163,7 +163,6 @@ config S390
select HAVE_LIVEPATCH
select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_MEMBLOCK_PHYS_MAP
select HAVE_MOD_ARCH_SPECIFIC

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@ -9,7 +9,6 @@ config SUPERH
select CLKDEV_LOOKUP
select DMA_DIRECT_OPS
select HAVE_IDE if HAS_IOPORT_MAP
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select ARCH_DISCARD_MEMBLOCK
select HAVE_OPROFILE

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@ -45,7 +45,6 @@ config SPARC
select LOCKDEP_SMALL if LOCKDEP
select NEED_DMA_MAP_STATE
select NEED_SG_DMA_LENGTH
select HAVE_MEMBLOCK
config SPARC32
def_bool !64BIT

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@ -12,7 +12,6 @@ config UML
select HAVE_UID16
select HAVE_FUTEX_CMPXCHG if FUTEX
select HAVE_DEBUG_KMEMLEAK
select HAVE_MEMBLOCK
select GENERIC_IRQ_SHOW
select GENERIC_CPU_DEVICES
select GENERIC_CLOCKEVENTS

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@ -5,7 +5,6 @@ config UNICORE32
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
select DMA_DIRECT_OPS
select HAVE_MEMBLOCK
select HAVE_GENERIC_DMA_COHERENT
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2

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@ -169,7 +169,6 @@ config X86
select HAVE_KRETPROBES
select HAVE_KVM
select HAVE_LIVEPATCH if X86_64
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_MIXED_BREAKPOINTS_REGS
select HAVE_MOD_ARCH_SPECIFIC

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@ -28,7 +28,6 @@ config XTENSA
select HAVE_FUTEX_CMPXCHG if !MMU
select HAVE_HW_BREAKPOINT if PERF_EVENTS
select HAVE_IRQ_TIME_ACCOUNTING
select HAVE_MEMBLOCK
select HAVE_OPROFILE
select HAVE_PERF_EVENTS
select HAVE_STACKPROTECTOR

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@ -1115,7 +1115,6 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
return 1;
}
#ifdef CONFIG_HAVE_MEMBLOCK
#ifndef MIN_MEMBLOCK_ADDR
#define MIN_MEMBLOCK_ADDR __pa(PAGE_OFFSET)
#endif
@ -1178,26 +1177,6 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
return memblock_reserve(base, size);
}
#else
void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size)
{
WARN_ON(1);
}
int __init __weak early_init_dt_mark_hotplug_memory_arch(u64 base, u64 size)
{
return -ENOSYS;
}
int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
phys_addr_t size, bool nomap)
{
pr_err("Reserved memory not supported, ignoring range %pa - %pa%s\n",
&base, &size, nomap ? " (nomap)" : "");
return -ENOSYS;
}
#endif
static void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
{
return memblock_virt_alloc(size, align);

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@ -20,13 +20,12 @@
#include <linux/of_reserved_mem.h>
#include <linux/sort.h>
#include <linux/slab.h>
#include <linux/memblock.h>
#define MAX_RESERVED_REGIONS 32
static struct reserved_mem reserved_mem[MAX_RESERVED_REGIONS];
static int reserved_mem_count;
#if defined(CONFIG_HAVE_MEMBLOCK)
#include <linux/memblock.h>
int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
phys_addr_t align, phys_addr_t start, phys_addr_t end, bool nomap,
phys_addr_t *res_base)
@ -54,16 +53,6 @@ int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
return memblock_remove(base, size);
return 0;
}
#else
int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
phys_addr_t align, phys_addr_t start, phys_addr_t end, bool nomap,
phys_addr_t *res_base)
{
pr_err("Reserved memory not supported, ignoring region 0x%llx%s\n",
size, nomap ? " (nomap)" : "");
return -ENOSYS;
}
#endif
/**
* res_mem_save_node() - save fdt node for second pass initialization

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@ -1,6 +1,6 @@
menuconfig ION
bool "Ion Memory Manager"
depends on HAVE_MEMBLOCK && HAS_DMA && MMU
depends on HAS_DMA && MMU
select GENERIC_ALLOCATOR
select DMA_SHARED_BUFFER
help

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@ -141,7 +141,6 @@ config PSTORE_RAM
tristate "Log panic/oops to a RAM buffer"
depends on PSTORE
depends on HAS_IOMEM
depends on HAVE_MEMBLOCK
select REED_SOLOMON
select REED_SOLOMON_ENC8
select REED_SOLOMON_DEC8

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@ -132,9 +132,6 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat,
#define alloc_bootmem_low_pages_node(pgdat, x) \
__alloc_bootmem_low_node(pgdat, x, PAGE_SIZE, 0)
#if defined(CONFIG_HAVE_MEMBLOCK)
/* FIXME: use MEMBLOCK_ALLOC_* variants here */
#define BOOTMEM_ALLOC_ACCESSIBLE 0
#define BOOTMEM_ALLOC_ANYWHERE (~(phys_addr_t)0)
@ -234,115 +231,6 @@ static inline void __init memblock_free_late(
__memblock_free_late(base, size);
}
#else
#define BOOTMEM_ALLOC_ACCESSIBLE 0
/* Fall back to all the existing bootmem APIs */
static inline void * __init memblock_virt_alloc(
phys_addr_t size, phys_addr_t align)
{
if (!align)
align = SMP_CACHE_BYTES;
return __alloc_bootmem(size, align, BOOTMEM_LOW_LIMIT);
}
static inline void * __init memblock_virt_alloc_raw(
phys_addr_t size, phys_addr_t align)
{
if (!align)
align = SMP_CACHE_BYTES;
return __alloc_bootmem_nopanic(size, align, BOOTMEM_LOW_LIMIT);
}
static inline void * __init memblock_virt_alloc_nopanic(
phys_addr_t size, phys_addr_t align)
{
if (!align)
align = SMP_CACHE_BYTES;
return __alloc_bootmem_nopanic(size, align, BOOTMEM_LOW_LIMIT);
}
static inline void * __init memblock_virt_alloc_low(
phys_addr_t size, phys_addr_t align)
{
if (!align)
align = SMP_CACHE_BYTES;
return __alloc_bootmem_low(size, align, 0);
}
static inline void * __init memblock_virt_alloc_low_nopanic(
phys_addr_t size, phys_addr_t align)
{
if (!align)
align = SMP_CACHE_BYTES;
return __alloc_bootmem_low_nopanic(size, align, 0);
}
static inline void * __init memblock_virt_alloc_from_nopanic(
phys_addr_t size, phys_addr_t align, phys_addr_t min_addr)
{
return __alloc_bootmem_nopanic(size, align, min_addr);
}
static inline void * __init memblock_virt_alloc_node(
phys_addr_t size, int nid)
{
return __alloc_bootmem_node(NODE_DATA(nid), size, SMP_CACHE_BYTES,
BOOTMEM_LOW_LIMIT);
}
static inline void * __init memblock_virt_alloc_node_nopanic(
phys_addr_t size, int nid)
{
return __alloc_bootmem_node_nopanic(NODE_DATA(nid), size,
SMP_CACHE_BYTES,
BOOTMEM_LOW_LIMIT);
}
static inline void * __init memblock_virt_alloc_try_nid(phys_addr_t size,
phys_addr_t align, phys_addr_t min_addr, phys_addr_t max_addr, int nid)
{
return __alloc_bootmem_node_high(NODE_DATA(nid), size, align,
min_addr);
}
static inline void * __init memblock_virt_alloc_try_nid_raw(
phys_addr_t size, phys_addr_t align,
phys_addr_t min_addr, phys_addr_t max_addr, int nid)
{
return ___alloc_bootmem_node_nopanic(NODE_DATA(nid), size, align,
min_addr, max_addr);
}
static inline void * __init memblock_virt_alloc_try_nid_nopanic(
phys_addr_t size, phys_addr_t align,
phys_addr_t min_addr, phys_addr_t max_addr, int nid)
{
return ___alloc_bootmem_node_nopanic(NODE_DATA(nid), size, align,
min_addr, max_addr);
}
static inline void __init memblock_free_early(
phys_addr_t base, phys_addr_t size)
{
free_bootmem(base, size);
}
static inline void __init memblock_free_early_nid(
phys_addr_t base, phys_addr_t size, int nid)
{
free_bootmem_node(NODE_DATA(nid), base, size);
}
static inline void __init memblock_free_late(
phys_addr_t base, phys_addr_t size)
{
free_bootmem_late(base, size);
}
#endif /* defined(CONFIG_HAVE_MEMBLOCK) */
extern void *alloc_large_system_hash(const char *tablename,
unsigned long bucketsize,
unsigned long numentries,

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@ -2,7 +2,6 @@
#define _LINUX_MEMBLOCK_H
#ifdef __KERNEL__
#ifdef CONFIG_HAVE_MEMBLOCK
/*
* Logical memory blocks.
*
@ -440,12 +439,6 @@ static inline void early_memtest(phys_addr_t start, phys_addr_t end)
{
}
#endif
#else
static inline phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align)
{
return 0;
}
#endif /* CONFIG_HAVE_MEMBLOCK */
#endif /* __KERNEL__ */

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@ -2163,7 +2163,7 @@ extern int __meminit __early_pfn_to_nid(unsigned long pfn,
struct mminit_pfnnid_cache *state);
#endif
#if defined(CONFIG_HAVE_MEMBLOCK) && !defined(CONFIG_FLAT_NODE_MEM_MAP)
#if !defined(CONFIG_FLAT_NODE_MEM_MAP)
void zero_resv_unavail(void);
#else
static inline void zero_resv_unavail(void) {}

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@ -1292,7 +1292,7 @@ config DEBUG_KOBJECT
depends on DEBUG_KERNEL
help
If you say Y here, some extra kobject debugging messages will be sent
to the syslog.
to the syslog.
config DEBUG_KOBJECT_RELEASE
bool "kobject release debugging"
@ -1980,7 +1980,6 @@ endif # RUNTIME_TESTING_MENU
config MEMTEST
bool "Memtest"
depends on HAVE_MEMBLOCK
---help---
This option adds a kernel parameter 'memtest', which allows memtest
to be set.

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@ -127,9 +127,6 @@ config SPARSEMEM_VMEMMAP
pfn_to_page and page_to_pfn operations. This is the most
efficient option when sufficient kernel resources are available.
config HAVE_MEMBLOCK
bool
config HAVE_MEMBLOCK_NODE_MAP
bool
@ -478,7 +475,7 @@ config FRONTSWAP
config CMA
bool "Contiguous Memory Allocator"
depends on HAVE_MEMBLOCK && MMU
depends on MMU
select MIGRATION
select MEMORY_ISOLATION
help

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@ -43,11 +43,11 @@ obj-y := filemap.o mempool.o oom_kill.o fadvise.o \
obj-y += init-mm.o
obj-y += nobootmem.o
obj-y += memblock.o
ifdef CONFIG_MMU
obj-$(CONFIG_ADVISE_SYSCALLS) += madvise.o
endif
obj-$(CONFIG_HAVE_MEMBLOCK) += memblock.o
obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o swap_slots.o
obj-$(CONFIG_FRONTSWAP) += frontswap.o

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@ -23,10 +23,6 @@
#include "internal.h"
#ifndef CONFIG_HAVE_MEMBLOCK
#error CONFIG_HAVE_MEMBLOCK not defined
#endif
#ifndef CONFIG_NEED_MULTIPLE_NODES
struct pglist_data __refdata contig_page_data;
EXPORT_SYMBOL(contig_page_data);

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@ -6508,8 +6508,7 @@ void __init free_area_init_node(int nid, unsigned long *zones_size,
free_area_init_core(pgdat);
}
#if defined(CONFIG_HAVE_MEMBLOCK) && !defined(CONFIG_FLAT_NODE_MEM_MAP)
#if !defined(CONFIG_FLAT_NODE_MEM_MAP)
/*
* Zero all valid struct pages in range [spfn, epfn), return number of struct
* pages zeroed
@ -6569,7 +6568,7 @@ void __init zero_resv_unavail(void)
if (pgcnt)
pr_info("Zeroed struct page in unavailable ranges: %lld pages", pgcnt);
}
#endif /* CONFIG_HAVE_MEMBLOCK && !CONFIG_FLAT_NODE_MEM_MAP */
#endif /* !CONFIG_FLAT_NODE_MEM_MAP */
#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP