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[209.132.180.67]) by mx.google.com with ESMTP id c187-v6si4470278pga.378.2018.09.06.01.56.27; Thu, 06 Sep 2018 01:56:43 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727822AbeIFN3q (ORCPT + 99 others); Thu, 6 Sep 2018 09:29:46 -0400 Received: from mx2.suse.de ([195.135.220.15]:41908 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725894AbeIFN3q (ORCPT ); Thu, 6 Sep 2018 09:29:46 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 2EB5BACE1; Thu, 6 Sep 2018 08:55:18 +0000 (UTC) Date: Thu, 6 Sep 2018 10:55:15 +0200 From: Michal Hocko To: Mike Rapoport Cc: linux-mm@kvack.org, Andrew Morton , "David S. Miller" , Greg Kroah-Hartman , Ingo Molnar , Michael Ellerman , Paul Burton , Thomas Gleixner , Tony Luck , linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 21/29] memblock: replace alloc_bootmem with memblock_alloc Message-ID: <20180906085515.GF14951@dhcp22.suse.cz> References: <1536163184-26356-1-git-send-email-rppt@linux.vnet.ibm.com> <1536163184-26356-22-git-send-email-rppt@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1536163184-26356-22-git-send-email-rppt@linux.vnet.ibm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed 05-09-18 18:59:36, Mike Rapoport wrote: > The conversion is done using the following semantic patch: > > @@ > expression e; > @@ > - __alloc_bootmem(e) Did you mean alloc_bottmem? Anyway the only difference from _alloc_bootmem is SMP_CACHE_BYTES and so you can use 0 alignment for memblock_virt_alloc. Why do we need memblock_alloc_from at all? > + memblock_alloc_from(e, 0) > > Signed-off-by: Mike Rapoport > --- > arch/alpha/kernel/core_marvel.c | 4 ++-- > arch/alpha/kernel/pci-noop.c | 4 ++-- > arch/alpha/kernel/pci.c | 4 ++-- > arch/alpha/kernel/pci_iommu.c | 4 ++-- > arch/ia64/kernel/mca.c | 4 ++-- > arch/ia64/mm/tlb.c | 4 ++-- > arch/m68k/sun3/sun3dvma.c | 3 ++- > arch/microblaze/mm/init.c | 2 +- > arch/mips/kernel/setup.c | 2 +- > arch/um/drivers/net_kern.c | 2 +- > arch/um/drivers/vector_kern.c | 2 +- > arch/um/kernel/initrd.c | 2 +- > arch/x86/kernel/acpi/boot.c | 3 ++- > arch/x86/kernel/apic/io_apic.c | 2 +- > arch/x86/kernel/e820.c | 2 +- > arch/x86/platform/olpc/olpc_dt.c | 2 +- > arch/xtensa/platforms/iss/network.c | 2 +- > arch/xtensa/platforms/iss/setup.c | 4 ++-- > drivers/macintosh/smu.c | 2 +- > init/main.c | 4 ++-- > 20 files changed, 30 insertions(+), 28 deletions(-) > > diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c > index bdebb8c2..1f00c94 100644 > --- a/arch/alpha/kernel/core_marvel.c > +++ b/arch/alpha/kernel/core_marvel.c > @@ -82,7 +82,7 @@ mk_resource_name(int pe, int port, char *str) > char *name; > > sprintf(tmp, "PCI %s PE %d PORT %d", str, pe, port); > - name = alloc_bootmem(strlen(tmp) + 1); > + name = memblock_alloc(strlen(tmp) + 1, 0); > strcpy(name, tmp); > > return name; > @@ -117,7 +117,7 @@ alloc_io7(unsigned int pe) > return NULL; > } > > - io7 = alloc_bootmem(sizeof(*io7)); > + io7 = memblock_alloc(sizeof(*io7), 0); > io7->pe = pe; > raw_spin_lock_init(&io7->irq_lock); > > diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c > index c7c5879..59cbfc2 100644 > --- a/arch/alpha/kernel/pci-noop.c > +++ b/arch/alpha/kernel/pci-noop.c > @@ -33,7 +33,7 @@ alloc_pci_controller(void) > { > struct pci_controller *hose; > > - hose = alloc_bootmem(sizeof(*hose)); > + hose = memblock_alloc(sizeof(*hose), 0); > > *hose_tail = hose; > hose_tail = &hose->next; > @@ -44,7 +44,7 @@ alloc_pci_controller(void) > struct resource * __init > alloc_resource(void) > { > - return alloc_bootmem(sizeof(struct resource)); > + return memblock_alloc(sizeof(struct resource), 0); > } > > SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, bus, > diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c > index c668c3b..4cc3eb9 100644 > --- a/arch/alpha/kernel/pci.c > +++ b/arch/alpha/kernel/pci.c > @@ -392,7 +392,7 @@ alloc_pci_controller(void) > { > struct pci_controller *hose; > > - hose = alloc_bootmem(sizeof(*hose)); > + hose = memblock_alloc(sizeof(*hose), 0); > > *hose_tail = hose; > hose_tail = &hose->next; > @@ -403,7 +403,7 @@ alloc_pci_controller(void) > struct resource * __init > alloc_resource(void) > { > - return alloc_bootmem(sizeof(struct resource)); > + return memblock_alloc(sizeof(struct resource), 0); > } > > > diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c > index 0c05493..5d178c7 100644 > --- a/arch/alpha/kernel/pci_iommu.c > +++ b/arch/alpha/kernel/pci_iommu.c > @@ -79,7 +79,7 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base, > printk("%s: couldn't allocate arena from node %d\n" > " falling back to system-wide allocation\n", > __func__, nid); > - arena = alloc_bootmem(sizeof(*arena)); > + arena = memblock_alloc(sizeof(*arena), 0); > } > > arena->ptes = memblock_alloc_node(sizeof(*arena), align, nid); > @@ -92,7 +92,7 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base, > > #else /* CONFIG_DISCONTIGMEM */ > > - arena = alloc_bootmem(sizeof(*arena)); > + arena = memblock_alloc(sizeof(*arena), 0); > arena->ptes = memblock_alloc_from(mem_size, align, 0); > > #endif /* CONFIG_DISCONTIGMEM */ > diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c > index 5586926..7120976 100644 > --- a/arch/ia64/kernel/mca.c > +++ b/arch/ia64/kernel/mca.c > @@ -361,9 +361,9 @@ static ia64_state_log_t ia64_state_log[IA64_MAX_LOG_TYPES]; > > #define IA64_LOG_ALLOCATE(it, size) \ > {ia64_state_log[it].isl_log[IA64_LOG_CURR_INDEX(it)] = \ > - (ia64_err_rec_t *)alloc_bootmem(size); \ > + (ia64_err_rec_t *)memblock_alloc(size, 0); \ > ia64_state_log[it].isl_log[IA64_LOG_NEXT_INDEX(it)] = \ > - (ia64_err_rec_t *)alloc_bootmem(size);} > + (ia64_err_rec_t *)memblock_alloc(size, 0);} > #define IA64_LOG_LOCK_INIT(it) spin_lock_init(&ia64_state_log[it].isl_lock) > #define IA64_LOG_LOCK(it) spin_lock_irqsave(&ia64_state_log[it].isl_lock, s) > #define IA64_LOG_UNLOCK(it) spin_unlock_irqrestore(&ia64_state_log[it].isl_lock,s) > diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c > index acf10eb..5554863 100644 > --- a/arch/ia64/mm/tlb.c > +++ b/arch/ia64/mm/tlb.c > @@ -59,8 +59,8 @@ struct ia64_tr_entry *ia64_idtrs[NR_CPUS]; > void __init > mmu_context_init (void) > { > - ia64_ctx.bitmap = alloc_bootmem((ia64_ctx.max_ctx+1)>>3); > - ia64_ctx.flushmap = alloc_bootmem((ia64_ctx.max_ctx+1)>>3); > + ia64_ctx.bitmap = memblock_alloc((ia64_ctx.max_ctx + 1) >> 3, 0); > + ia64_ctx.flushmap = memblock_alloc((ia64_ctx.max_ctx + 1) >> 3, 0); > } > > /* > diff --git a/arch/m68k/sun3/sun3dvma.c b/arch/m68k/sun3/sun3dvma.c > index 8546922..72d9458 100644 > --- a/arch/m68k/sun3/sun3dvma.c > +++ b/arch/m68k/sun3/sun3dvma.c > @@ -267,7 +267,8 @@ void __init dvma_init(void) > > list_add(&(hole->list), &hole_list); > > - iommu_use = alloc_bootmem(IOMMU_TOTAL_ENTRIES * sizeof(unsigned long)); > + iommu_use = memblock_alloc(IOMMU_TOTAL_ENTRIES * sizeof(unsigned long), > + 0); > > dvma_unmap_iommu(DVMA_START, DVMA_SIZE); > > diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c > index df6de7c..8c7f074 100644 > --- a/arch/microblaze/mm/init.c > +++ b/arch/microblaze/mm/init.c > @@ -377,7 +377,7 @@ void * __ref zalloc_maybe_bootmem(size_t size, gfp_t mask) > if (mem_init_done) > p = kzalloc(size, mask); > else { > - p = alloc_bootmem(size); > + p = memblock_alloc(size, 0); > if (p) > memset(p, 0, size); > } > diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c > index 08f8251..419dfc42 100644 > --- a/arch/mips/kernel/setup.c > +++ b/arch/mips/kernel/setup.c > @@ -901,7 +901,7 @@ static void __init resource_init(void) > if (end >= HIGHMEM_START) > end = HIGHMEM_START - 1; > > - res = alloc_bootmem(sizeof(struct resource)); > + res = memblock_alloc(sizeof(struct resource), 0); > > res->start = start; > res->end = end; > diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c > index 3ef1b48..ef19a39 100644 > --- a/arch/um/drivers/net_kern.c > +++ b/arch/um/drivers/net_kern.c > @@ -650,7 +650,7 @@ static int __init eth_setup(char *str) > return 1; > } > > - new = alloc_bootmem(sizeof(*new)); > + new = memblock_alloc(sizeof(*new), 0); > > INIT_LIST_HEAD(&new->list); > new->index = n; > diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c > index c84133c..9d77579 100644 > --- a/arch/um/drivers/vector_kern.c > +++ b/arch/um/drivers/vector_kern.c > @@ -1575,7 +1575,7 @@ static int __init vector_setup(char *str) > str, error); > return 1; > } > - new = alloc_bootmem(sizeof(*new)); > + new = memblock_alloc(sizeof(*new), 0); > INIT_LIST_HEAD(&new->list); > new->unit = n; > new->arguments = str; > diff --git a/arch/um/kernel/initrd.c b/arch/um/kernel/initrd.c > index 6f6e789..844056c 100644 > --- a/arch/um/kernel/initrd.c > +++ b/arch/um/kernel/initrd.c > @@ -36,7 +36,7 @@ int __init read_initrd(void) > return 0; > } > > - area = alloc_bootmem(size); > + area = memblock_alloc(size, 0); > > if (load_initrd(initrd, area, size) == -1) > return 0; > diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c > index 3b20607..fd887c1 100644 > --- a/arch/x86/kernel/acpi/boot.c > +++ b/arch/x86/kernel/acpi/boot.c > @@ -932,7 +932,8 @@ static int __init acpi_parse_hpet(struct acpi_table_header *table) > * the resource tree during the lateinit timeframe. > */ > #define HPET_RESOURCE_NAME_SIZE 9 > - hpet_res = alloc_bootmem(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE); > + hpet_res = memblock_alloc(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE, > + 0); > > hpet_res->name = (void *)&hpet_res[1]; > hpet_res->flags = IORESOURCE_MEM; > diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c > index e25118f..8c74509 100644 > --- a/arch/x86/kernel/apic/io_apic.c > +++ b/arch/x86/kernel/apic/io_apic.c > @@ -2578,7 +2578,7 @@ static struct resource * __init ioapic_setup_resources(void) > n = IOAPIC_RESOURCE_NAME_SIZE + sizeof(struct resource); > n *= nr_ioapics; > > - mem = alloc_bootmem(n); > + mem = memblock_alloc(n, 0); > res = (void *)mem; > > mem += sizeof(struct resource) * nr_ioapics; > diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c > index c88c23c..7ea8748 100644 > --- a/arch/x86/kernel/e820.c > +++ b/arch/x86/kernel/e820.c > @@ -1094,7 +1094,7 @@ void __init e820__reserve_resources(void) > struct resource *res; > u64 end; > > - res = alloc_bootmem(sizeof(*res) * e820_table->nr_entries); > + res = memblock_alloc(sizeof(*res) * e820_table->nr_entries, 0); > e820_res = res; > > for (i = 0; i < e820_table->nr_entries; i++) { > diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c > index d6ee929..140cd76 100644 > --- a/arch/x86/platform/olpc/olpc_dt.c > +++ b/arch/x86/platform/olpc/olpc_dt.c > @@ -141,7 +141,7 @@ void * __init prom_early_alloc(unsigned long size) > * fast enough on the platforms we care about while minimizing > * wasted bootmem) and hand off chunks of it to callers. > */ > - res = alloc_bootmem(chunk_size); > + res = memblock_alloc(chunk_size, 0); > BUG_ON(!res); > prom_early_allocated += chunk_size; > memset(res, 0, chunk_size); > diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c > index d027ddd..206b9d4 100644 > --- a/arch/xtensa/platforms/iss/network.c > +++ b/arch/xtensa/platforms/iss/network.c > @@ -646,7 +646,7 @@ static int __init iss_net_setup(char *str) > return 1; > } > > - new = alloc_bootmem(sizeof(*new)); > + new = memblock_alloc(sizeof(*new), 0); > if (new == NULL) { > pr_err("Alloc_bootmem failed\n"); > return 1; > diff --git a/arch/xtensa/platforms/iss/setup.c b/arch/xtensa/platforms/iss/setup.c > index f4bbb28..a922511 100644 > --- a/arch/xtensa/platforms/iss/setup.c > +++ b/arch/xtensa/platforms/iss/setup.c > @@ -82,8 +82,8 @@ void __init platform_setup(char **p_cmdline) > int argv_size = simc_argv_size(); > > if (argc > 1) { > - void **argv = alloc_bootmem(argv_size); > - char *cmdline = alloc_bootmem(argv_size); > + void **argv = memblock_alloc(argv_size, 0); > + char *cmdline = memblock_alloc(argv_size, 0); > int i; > > cmdline[0] = 0; > diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c > index e8ae2e5..332fcca 100644 > --- a/drivers/macintosh/smu.c > +++ b/drivers/macintosh/smu.c > @@ -493,7 +493,7 @@ int __init smu_init (void) > goto fail_np; > } > > - smu = alloc_bootmem(sizeof(struct smu_device)); > + smu = memblock_alloc(sizeof(struct smu_device), 0); > > spin_lock_init(&smu->lock); > INIT_LIST_HEAD(&smu->cmd_list); > diff --git a/init/main.c b/init/main.c > index d0b92bd..99a9e99 100644 > --- a/init/main.c > +++ b/init/main.c > @@ -768,8 +768,8 @@ static int __init initcall_blacklist(char *str) > str_entry = strsep(&str, ","); > if (str_entry) { > pr_debug("blacklisting initcall %s\n", str_entry); > - entry = alloc_bootmem(sizeof(*entry)); > - entry->buf = alloc_bootmem(strlen(str_entry) + 1); > + entry = memblock_alloc(sizeof(*entry), 0); > + entry->buf = memblock_alloc(strlen(str_entry) + 1, 0); > strcpy(entry->buf, str_entry); > list_add(&entry->next, &blacklisted_initcalls); > } > -- > 2.7.4 > -- Michal Hocko SUSE Labs