From 15c3c114ed144e5d9ad0f9e8f9f2998bae372190 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Tue, 30 Oct 2018 15:08:58 -0700 Subject: memblock: replace alloc_bootmem_pages with memblock_alloc The alloc_bootmem_pages() function allocates PAGE_SIZE aligned memory. memblock_alloc() with alignment set to PAGE_SIZE does exactly the same thing. The conversion is done using the following semantic patch: @@ expression e; @@ - alloc_bootmem_pages(e) + memblock_alloc(e, PAGE_SIZE) Link: http://lkml.kernel.org/r/1536927045-23536-20-git-send-email-rppt@linux.vnet.ibm.com Signed-off-by: Mike Rapoport Acked-by: Michal Hocko Cc: Catalin Marinas Cc: Chris Zankel Cc: "David S. Miller" Cc: Geert Uytterhoeven Cc: Greentime Hu Cc: Greg Kroah-Hartman Cc: Guan Xuetao Cc: Ingo Molnar Cc: "James E.J. Bottomley" Cc: Jonas Bonn Cc: Jonathan Corbet Cc: Ley Foon Tan Cc: Mark Salter Cc: Martin Schwidefsky Cc: Matt Turner Cc: Michael Ellerman Cc: Michal Simek Cc: Palmer Dabbelt Cc: Paul Burton Cc: Richard Kuo Cc: Richard Weinberger Cc: Rich Felker Cc: Russell King Cc: Serge Semin Cc: Thomas Gleixner Cc: Tony Luck Cc: Vineet Gupta Cc: Yoshinori Sato Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/c6x/mm/init.c | 3 ++- arch/h8300/mm/init.c | 2 +- arch/m68k/mm/init.c | 2 +- arch/m68k/mm/mcfmmu.c | 4 ++-- arch/m68k/mm/motorola.c | 2 +- arch/m68k/mm/sun3mmu.c | 4 ++-- arch/sh/mm/init.c | 4 ++-- arch/x86/kernel/apic/io_apic.c | 3 ++- arch/x86/mm/init_64.c | 2 +- drivers/xen/swiotlb-xen.c | 3 ++- 10 files changed, 16 insertions(+), 13 deletions(-) diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c index 4cc72b0d1c1d..dc369ad8b0ba 100644 --- a/arch/c6x/mm/init.c +++ b/arch/c6x/mm/init.c @@ -38,7 +38,8 @@ void __init paging_init(void) struct pglist_data *pgdat = NODE_DATA(0); unsigned long zones_size[MAX_NR_ZONES] = {0, }; - empty_zero_page = (unsigned long) alloc_bootmem_pages(PAGE_SIZE); + empty_zero_page = (unsigned long) memblock_alloc(PAGE_SIZE, + PAGE_SIZE); memset((void *)empty_zero_page, 0, PAGE_SIZE); /* diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c index 015287ac8ce8..5d31ac9d7a8d 100644 --- a/arch/h8300/mm/init.c +++ b/arch/h8300/mm/init.c @@ -67,7 +67,7 @@ void __init paging_init(void) * Initialize the bad page table and bad page to point * to a couple of allocated pages. */ - empty_zero_page = (unsigned long)alloc_bootmem_pages(PAGE_SIZE); + empty_zero_page = (unsigned long)memblock_alloc(PAGE_SIZE, PAGE_SIZE); memset((void *)empty_zero_page, 0, PAGE_SIZE); /* diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index 38e2b272c220..977363eda125 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -93,7 +93,7 @@ void __init paging_init(void) high_memory = (void *) end_mem; - empty_zero_page = alloc_bootmem_pages(PAGE_SIZE); + empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); /* * Set up SFC/DFC registers (user data space). diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c index f5453d944ff5..38a1d92dd555 100644 --- a/arch/m68k/mm/mcfmmu.c +++ b/arch/m68k/mm/mcfmmu.c @@ -44,7 +44,7 @@ void __init paging_init(void) enum zone_type zone; int i; - empty_zero_page = (void *) alloc_bootmem_pages(PAGE_SIZE); + empty_zero_page = (void *) memblock_alloc(PAGE_SIZE, PAGE_SIZE); memset((void *) empty_zero_page, 0, PAGE_SIZE); pg_dir = swapper_pg_dir; @@ -52,7 +52,7 @@ void __init paging_init(void) size = num_pages * sizeof(pte_t); size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1); - next_pgtable = (unsigned long) alloc_bootmem_pages(size); + next_pgtable = (unsigned long) memblock_alloc(size, PAGE_SIZE); bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK; pg_dir += PAGE_OFFSET >> PGDIR_SHIFT; diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 8bcf57ec5127..2113eec8dbf9 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -276,7 +276,7 @@ void __init paging_init(void) * initialize the bad page table and bad page to point * to a couple of allocated pages */ - empty_zero_page = alloc_bootmem_pages(PAGE_SIZE); + empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); /* * Set up SFC/DFC registers diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c index 4a9979908357..19c05ab9824d 100644 --- a/arch/m68k/mm/sun3mmu.c +++ b/arch/m68k/mm/sun3mmu.c @@ -45,7 +45,7 @@ void __init paging_init(void) unsigned long zones_size[MAX_NR_ZONES] = { 0, }; unsigned long size; - empty_zero_page = alloc_bootmem_pages(PAGE_SIZE); + empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE); address = PAGE_OFFSET; pg_dir = swapper_pg_dir; @@ -55,7 +55,7 @@ void __init paging_init(void) size = num_pages * sizeof(pte_t); size = (size + PAGE_SIZE) & ~(PAGE_SIZE-1); - next_pgtable = (unsigned long)alloc_bootmem_pages(size); + next_pgtable = (unsigned long)memblock_alloc(size, PAGE_SIZE); bootmem_end = (next_pgtable + size + PAGE_SIZE) & PAGE_MASK; /* Map whole memory from PAGE_OFFSET (0x0E000000) */ diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 7713c084d040..c884b760e52f 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -128,7 +128,7 @@ static pmd_t * __init one_md_table_init(pud_t *pud) if (pud_none(*pud)) { pmd_t *pmd; - pmd = alloc_bootmem_pages(PAGE_SIZE); + pmd = memblock_alloc(PAGE_SIZE, PAGE_SIZE); pud_populate(&init_mm, pud, pmd); BUG_ON(pmd != pmd_offset(pud, 0)); } @@ -141,7 +141,7 @@ static pte_t * __init one_page_table_init(pmd_t *pmd) if (pmd_none(*pmd)) { pte_t *pte; - pte = alloc_bootmem_pages(PAGE_SIZE); + pte = memblock_alloc(PAGE_SIZE, PAGE_SIZE); pmd_populate_kernel(&init_mm, pmd, pte); BUG_ON(pte != pte_offset_kernel(pmd, 0)); } diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index ff0d14cd9e82..e25118f8a726 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -2621,7 +2621,8 @@ void __init io_apic_init_mappings(void) #ifdef CONFIG_X86_32 fake_ioapic_page: #endif - ioapic_phys = (unsigned long)alloc_bootmem_pages(PAGE_SIZE); + ioapic_phys = (unsigned long)memblock_alloc(PAGE_SIZE, + PAGE_SIZE); ioapic_phys = __pa(ioapic_phys); } set_fixmap_nocache(idx, ioapic_phys); diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index dd519f372169..f39b51244fe2 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -197,7 +197,7 @@ static __ref void *spp_getpage(void) if (after_bootmem) ptr = (void *) get_zeroed_page(GFP_ATOMIC); else - ptr = alloc_bootmem_pages(PAGE_SIZE); + ptr = memblock_alloc(PAGE_SIZE, PAGE_SIZE); if (!ptr || ((unsigned long)ptr & ~PAGE_MASK)) { panic("set_pte_phys: cannot allocate page data %s\n", diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index f5c1af4ce9ab..91a6208ec1a5 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -217,7 +217,8 @@ retry: * Get IO TLB memory from any location. */ if (early) - xen_io_tlb_start = alloc_bootmem_pages(PAGE_ALIGN(bytes)); + xen_io_tlb_start = memblock_alloc(PAGE_ALIGN(bytes), + PAGE_SIZE); else { #define SLABS_PER_PAGE (1 << (PAGE_SHIFT - IO_TLB_SHIFT)) #define IO_TLB_MIN_SLABS ((1<<20) >> IO_TLB_SHIFT) -- cgit