The patch titled Subject: arch: use memblock_alloc() instead of memblock_alloc_from(size, align, 0) has been added to the -mm tree. Its filename is arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Mike Rapoport <rppt@xxxxxxxxxxxxx> Subject: arch: use memblock_alloc() instead of memblock_alloc_from(size, align, 0) The last parameter of memblock_alloc_from() is the lower limit for the memory allocation. When it is 0, the call is equivalent to memblock_alloc(). Link: http://lkml.kernel.org/r/1548057848-15136-13-git-send-email-rppt@xxxxxxxxxxxxx Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> Acked-by: Paul Burton <paul.burton@xxxxxxxx> # MIPS part Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Christophe Leroy <christophe.leroy@xxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: Dennis Zhou <dennis@xxxxxxxxxx> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Cc: Greentime Hu <green.hu@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Guan Xuetao <gxt@xxxxxxxxxx> Cc: Guo Ren <guoren@xxxxxxxxxx> Cc: Guo Ren <ren_guo@xxxxxxxxx> [c-sky] Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx> Cc: Juergen Gross <jgross@xxxxxxxx> [Xen] Cc: Mark Salter <msalter@xxxxxxxxxx> Cc: Matt Turner <mattst88@xxxxxxxxx> Cc: Max Filippov <jcmvbkbc@xxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Michal Simek <monstr@xxxxxxxxx> Cc: Petr Mladek <pmladek@xxxxxxxx> Cc: Richard Weinberger <richard@xxxxxx> Cc: Rich Felker <dalias@xxxxxxxx> Cc: Rob Herring <robh+dt@xxxxxxxxxx> Cc: Rob Herring <robh@xxxxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxx> Cc: Stafford Horne <shorne@xxxxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx> Cc: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/alpha/kernel/core_cia.c | 2 +- arch/alpha/kernel/pci_iommu.c | 4 ++-- arch/alpha/kernel/setup.c | 2 +- arch/ia64/kernel/mca.c | 3 +-- arch/mips/kernel/traps.c | 2 +- arch/sparc/kernel/prom_32.c | 2 +- arch/sparc/mm/init_32.c | 2 +- arch/sparc/mm/srmmu.c | 10 +++++----- 8 files changed, 13 insertions(+), 14 deletions(-) --- a/arch/alpha/kernel/core_cia.c~arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0 +++ a/arch/alpha/kernel/core_cia.c @@ -331,7 +331,7 @@ cia_prepare_tbia_workaround(int window) long i; /* Use minimal 1K map. */ - ppte = memblock_alloc_from(CIA_BROKEN_TBIA_SIZE, 32768, 0); + ppte = memblock_alloc(CIA_BROKEN_TBIA_SIZE, 32768); pte = (virt_to_phys(ppte) >> (PAGE_SHIFT - 1)) | 1; for (i = 0; i < CIA_BROKEN_TBIA_SIZE / sizeof(unsigned long); ++i) --- a/arch/alpha/kernel/pci_iommu.c~arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0 +++ a/arch/alpha/kernel/pci_iommu.c @@ -87,13 +87,13 @@ iommu_arena_new_node(int nid, struct pci printk("%s: couldn't allocate arena ptes from node %d\n" " falling back to system-wide allocation\n", __func__, nid); - arena->ptes = memblock_alloc_from(mem_size, align, 0); + arena->ptes = memblock_alloc(mem_size, align); } #else /* CONFIG_DISCONTIGMEM */ arena = memblock_alloc(sizeof(*arena), SMP_CACHE_BYTES); - arena->ptes = memblock_alloc_from(mem_size, align, 0); + arena->ptes = memblock_alloc(mem_size, align); #endif /* CONFIG_DISCONTIGMEM */ --- a/arch/alpha/kernel/setup.c~arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0 +++ a/arch/alpha/kernel/setup.c @@ -293,7 +293,7 @@ move_initrd(unsigned long mem_limit) unsigned long size; size = initrd_end - initrd_start; - start = memblock_alloc_from(PAGE_ALIGN(size), PAGE_SIZE, 0); + start = memblock_alloc(PAGE_ALIGN(size), PAGE_SIZE); if (!start || __pa(start) + size > mem_limit) { initrd_start = initrd_end = 0; return NULL; --- a/arch/ia64/kernel/mca.c~arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0 +++ a/arch/ia64/kernel/mca.c @@ -1835,8 +1835,7 @@ format_mca_init_stack(void *mca_data, un /* Caller prevents this from being called after init */ static void * __ref mca_bootmem(void) { - return memblock_alloc_from(sizeof(struct ia64_mca_cpu), - KERNEL_STACK_SIZE, 0); + return memblock_alloc(sizeof(struct ia64_mca_cpu), KERNEL_STACK_SIZE); } /* Do per-CPU MCA-related initialization. */ --- a/arch/mips/kernel/traps.c~arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0 +++ a/arch/mips/kernel/traps.c @@ -2291,7 +2291,7 @@ void __init trap_init(void) phys_addr_t ebase_pa; ebase = (unsigned long) - memblock_alloc_from(size, 1 << fls(size), 0); + memblock_alloc(size, 1 << fls(size)); /* * Try to ensure ebase resides in KSeg0 if possible. --- a/arch/sparc/kernel/prom_32.c~arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0 +++ a/arch/sparc/kernel/prom_32.c @@ -32,7 +32,7 @@ void * __init prom_early_alloc(unsigned { void *ret; - ret = memblock_alloc_from(size, SMP_CACHE_BYTES, 0UL); + ret = memblock_alloc(size, SMP_CACHE_BYTES); if (ret != NULL) memset(ret, 0, size); --- a/arch/sparc/mm/init_32.c~arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0 +++ a/arch/sparc/mm/init_32.c @@ -264,7 +264,7 @@ void __init mem_init(void) i = last_valid_pfn >> ((20 - PAGE_SHIFT) + 5); i += 1; sparc_valid_addr_bitmap = (unsigned long *) - memblock_alloc_from(i << 2, SMP_CACHE_BYTES, 0UL); + memblock_alloc(i << 2, SMP_CACHE_BYTES); if (sparc_valid_addr_bitmap == NULL) { prom_printf("mem_init: Cannot alloc valid_addr_bitmap.\n"); --- a/arch/sparc/mm/srmmu.c~arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0 +++ a/arch/sparc/mm/srmmu.c @@ -303,13 +303,13 @@ static void __init srmmu_nocache_init(vo bitmap_bits = srmmu_nocache_size >> SRMMU_NOCACHE_BITMAP_SHIFT; - srmmu_nocache_pool = memblock_alloc_from(srmmu_nocache_size, - SRMMU_NOCACHE_ALIGN_MAX, 0UL); + srmmu_nocache_pool = memblock_alloc(srmmu_nocache_size, + SRMMU_NOCACHE_ALIGN_MAX); memset(srmmu_nocache_pool, 0, srmmu_nocache_size); srmmu_nocache_bitmap = - memblock_alloc_from(BITS_TO_LONGS(bitmap_bits) * sizeof(long), - SMP_CACHE_BYTES, 0UL); + memblock_alloc(BITS_TO_LONGS(bitmap_bits) * sizeof(long), + SMP_CACHE_BYTES); bit_map_init(&srmmu_nocache_map, srmmu_nocache_bitmap, bitmap_bits); srmmu_swapper_pg_dir = __srmmu_get_nocache(SRMMU_PGD_TABLE_SIZE, SRMMU_PGD_TABLE_SIZE); @@ -467,7 +467,7 @@ static void __init sparc_context_init(in unsigned long size; size = numctx * sizeof(struct ctx_list); - ctx_list_pool = memblock_alloc_from(size, SMP_CACHE_BYTES, 0UL); + ctx_list_pool = memblock_alloc(size, SMP_CACHE_BYTES); for (ctx = 0; ctx < numctx; ctx++) { struct ctx_list *clist; _ Patches currently in -mm which might be from rppt@xxxxxxxxxxxxx are powerpc-prefer-memblock-apis-returning-virtual-address.patch microblaze-prefer-memblock-api-returning-virtual-address.patch sh-prefer-memblock-apis-returning-virtual-address.patch openrisc-simplify-pte_alloc_one_kernel.patch arch-simplify-several-early-memory-allocations.patch arm-s390-unicore32-remove-oneliner-wrappers-for-memblock_alloc.patch openrisc-prefer-memblock-apis-returning-virtual-address.patch memblock-replace-memblock_alloc_baseanywhere-with-memblock_phys_alloc.patch memblock-drop-memblock_alloc_base_nid.patch memblock-emphasize-that-memblock_alloc_range-returns-a-physical-address.patch memblock-memblock_phys_alloc_try_nid-dont-panic.patch memblock-memblock_phys_alloc-dont-panic.patch memblock-drop-__memblock_alloc_base.patch memblock-drop-memblock_alloc_base.patch memblock-refactor-internal-allocation-functions.patch memblock-make-memblock_find_in_range_node-and-choose_memblock_flags-static.patch arch-use-memblock_alloc-instead-of-memblock_alloc_fromsize-align-0.patch arch-dont-memset0-memory-returned-by-memblock_alloc.patch ia64-add-checks-for-the-return-value-of-memblock_alloc.patch sparc-add-checks-for-the-return-value-of-memblock_alloc.patch mm-percpu-add-checks-for-the-return-value-of-memblock_alloc.patch init-main-add-checks-for-the-return-value-of-memblock_alloc.patch swiotlb-add-checks-for-the-return-value-of-memblock_alloc.patch treewide-add-checks-for-the-return-value-of-memblock_alloc.patch memblock-memblock_alloc_try_nid-dont-panic.patch memblock-drop-memblock_alloc__nopanic-variants.patch