The patch titled Subject: memblock: replace free_bootmem{_node} with memblock_free has been added to the -mm tree. Its filename is memblock-replace-free_bootmem_node-with-memblock_free.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/memblock-replace-free_bootmem_node-with-memblock_free.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/memblock-replace-free_bootmem_node-with-memblock_free.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@xxxxxxxxxxxxxxxxxx> Subject: memblock: replace free_bootmem{_node} with memblock_free The free_bootmem and free_bootmem_node are merely wrappers for memblock_free. Replace their usage with a call to memblock_free using the following semantic patch: @@ expression e1, e2, e3; @@ ( - free_bootmem(e1, e2) + memblock_free(e1, e2) | - free_bootmem_node(e1, e2, e3) + memblock_free(e2, e3) ) Link: http://lkml.kernel.org/r/1536927045-23536-24-git-send-email-rppt@xxxxxxxxxxxxxxxxxx Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx> Acked-by: Michal Hocko <mhocko@xxxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Chris Zankel <chris@xxxxxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Cc: Greentime Hu <green.hu@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Guan Xuetao <gxt@xxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx> Cc: Jonas Bonn <jonas@xxxxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: Ley Foon Tan <lftan@xxxxxxxxxx> Cc: Mark Salter <msalter@xxxxxxxxxx> Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> Cc: Matt Turner <mattst88@xxxxxxxxx> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Cc: Michal Simek <monstr@xxxxxxxxx> Cc: Palmer Dabbelt <palmer@xxxxxxxxxx> Cc: Paul Burton <paul.burton@xxxxxxxx> Cc: Richard Kuo <rkuo@xxxxxxxxxxxxxx> Cc: Richard Weinberger <richard@xxxxxx> Cc: Rich Felker <dalias@xxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxx> Cc: Serge Semin <fancer.lancer@xxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> 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_irongate.c | 3 -- arch/arm64/mm/init.c | 2 - arch/mips/kernel/setup.c | 2 - arch/powerpc/kernel/setup_64.c | 2 - arch/sparc/kernel/smp_64.c | 2 - arch/um/kernel/mem.c | 3 +- arch/unicore32/mm/init.c | 2 - arch/x86/kernel/setup_percpu.c | 3 +- arch/x86/kernel/tce_64.c | 3 +- arch/x86/xen/p2m.c | 3 +- drivers/macintosh/smu.c | 2 - drivers/usb/early/xhci-dbc.c | 11 +++++----- drivers/xen/swiotlb-xen.c | 4 ++- include/linux/bootmem.h | 4 --- mm/nobootmem.c | 30 ---------------------------- 15 files changed, 24 insertions(+), 52 deletions(-) --- a/arch/alpha/kernel/core_irongate.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/arch/alpha/kernel/core_irongate.c @@ -234,8 +234,7 @@ albacore_init_arch(void) unsigned long size; size = initrd_end - initrd_start; - free_bootmem_node(NODE_DATA(0), __pa(initrd_start), - PAGE_ALIGN(size)); + memblock_free(__pa(initrd_start), PAGE_ALIGN(size)); if (!move_initrd(pci_mem)) printk("irongate_init_arch: initrd too big " "(%ldK)\ndisabling initrd\n", --- a/arch/arm64/mm/init.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/arch/arm64/mm/init.c @@ -538,7 +538,7 @@ static inline void free_memmap(unsigned * memmap array. */ if (pg < pgend) - free_bootmem(pg, pgend - pg); + memblock_free(pg, pgend - pg); } /* --- a/arch/mips/kernel/setup.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/arch/mips/kernel/setup.c @@ -561,7 +561,7 @@ static void __init bootmem_init(void) extern void show_kernel_relocation(const char *level); offset = __pa_symbol(_text) - __pa_symbol(VMLINUX_LOAD_ADDRESS); - free_bootmem(__pa_symbol(VMLINUX_LOAD_ADDRESS), offset); + memblock_free(__pa_symbol(VMLINUX_LOAD_ADDRESS), offset); #if defined(CONFIG_DEBUG_KERNEL) && defined(CONFIG_DEBUG_INFO) /* --- a/arch/powerpc/kernel/setup_64.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/arch/powerpc/kernel/setup_64.c @@ -765,7 +765,7 @@ static void * __init pcpu_fc_alloc(unsig static void __init pcpu_fc_free(void *ptr, size_t size) { - free_bootmem(__pa(ptr), size); + memblock_free(__pa(ptr), size); } static int pcpu_cpu_distance(unsigned int from, unsigned int to) --- a/arch/sparc/kernel/smp_64.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/arch/sparc/kernel/smp_64.c @@ -1607,7 +1607,7 @@ static void * __init pcpu_alloc_bootmem( static void __init pcpu_free_bootmem(void *ptr, size_t size) { - free_bootmem(__pa(ptr), size); + memblock_free(__pa(ptr), size); } static int __init pcpu_cpu_distance(unsigned int from, unsigned int to) --- a/arch/um/kernel/mem.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/arch/um/kernel/mem.c @@ -6,6 +6,7 @@ #include <linux/stddef.h> #include <linux/module.h> #include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/highmem.h> #include <linux/mm.h> #include <linux/swap.h> @@ -46,7 +47,7 @@ void __init mem_init(void) */ brk_end = (unsigned long) UML_ROUND_UP(sbrk(0)); map_memory(brk_end, __pa(brk_end), uml_reserved - brk_end, 1, 1, 0); - free_bootmem(__pa(brk_end), uml_reserved - brk_end); + memblock_free(__pa(brk_end), uml_reserved - brk_end); uml_reserved = brk_end; /* this will put all low memory onto the freelists */ --- a/arch/unicore32/mm/init.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/arch/unicore32/mm/init.c @@ -241,7 +241,7 @@ free_memmap(unsigned long start_pfn, uns * free the section of the memmap array. */ if (pg < pgend) - free_bootmem(pg, pgend - pg); + memblock_free(pg, pgend - pg); } /* --- a/arch/x86/kernel/setup_percpu.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/arch/x86/kernel/setup_percpu.c @@ -5,6 +5,7 @@ #include <linux/export.h> #include <linux/init.h> #include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/percpu.h> #include <linux/kexec.h> #include <linux/crash_dump.h> @@ -135,7 +136,7 @@ static void * __init pcpu_fc_alloc(unsig static void __init pcpu_fc_free(void *ptr, size_t size) { - free_bootmem(__pa(ptr), size); + memblock_free(__pa(ptr), size); } static int __init pcpu_cpu_distance(unsigned int from, unsigned int to) --- a/arch/x86/kernel/tce_64.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/arch/x86/kernel/tce_64.c @@ -31,6 +31,7 @@ #include <linux/pci.h> #include <linux/dma-mapping.h> #include <linux/bootmem.h> +#include <linux/memblock.h> #include <asm/tce.h> #include <asm/calgary.h> #include <asm/proto.h> @@ -186,5 +187,5 @@ void __init free_tce_table(void *tbl) size = table_size_to_number_of_entries(specified_table_size); size *= TCE_ENTRY_SIZE; - free_bootmem(__pa(tbl), size); + memblock_free(__pa(tbl), size); } --- a/arch/x86/xen/p2m.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/arch/x86/xen/p2m.c @@ -68,6 +68,7 @@ #include <linux/sched.h> #include <linux/seq_file.h> #include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/slab.h> #include <linux/vmalloc.h> @@ -190,7 +191,7 @@ static void * __ref alloc_p2m_page(void) static void __ref free_p2m_page(void *p) { if (unlikely(!slab_is_available())) { - free_bootmem((unsigned long)p, PAGE_SIZE); + memblock_free((unsigned long)p, PAGE_SIZE); return; } --- a/drivers/macintosh/smu.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/drivers/macintosh/smu.c @@ -569,7 +569,7 @@ fail_msg_node: fail_db_node: of_node_put(smu->db_node); fail_bootmem: - free_bootmem(__pa(smu), sizeof(struct smu_device)); + memblock_free(__pa(smu), sizeof(struct smu_device)); smu = NULL; fail_np: of_node_put(np); --- a/drivers/usb/early/xhci-dbc.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/drivers/usb/early/xhci-dbc.c @@ -13,6 +13,7 @@ #include <linux/pci_regs.h> #include <linux/pci_ids.h> #include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/io.h> #include <asm/pci-direct.h> #include <asm/fixmap.h> @@ -191,7 +192,7 @@ static void __init xdbc_free_ring(struct if (!seg) return; - free_bootmem(seg->dma, PAGE_SIZE); + memblock_free(seg->dma, PAGE_SIZE); ring->segment = NULL; } @@ -675,10 +676,10 @@ int __init early_xdbc_setup_hardware(voi xdbc_free_ring(&xdbc.in_ring); if (xdbc.table_dma) - free_bootmem(xdbc.table_dma, PAGE_SIZE); + memblock_free(xdbc.table_dma, PAGE_SIZE); if (xdbc.out_dma) - free_bootmem(xdbc.out_dma, PAGE_SIZE); + memblock_free(xdbc.out_dma, PAGE_SIZE); xdbc.table_base = NULL; xdbc.out_buf = NULL; @@ -1000,8 +1001,8 @@ free_and_quit: xdbc_free_ring(&xdbc.evt_ring); xdbc_free_ring(&xdbc.out_ring); xdbc_free_ring(&xdbc.in_ring); - free_bootmem(xdbc.table_dma, PAGE_SIZE); - free_bootmem(xdbc.out_dma, PAGE_SIZE); + memblock_free(xdbc.table_dma, PAGE_SIZE); + memblock_free(xdbc.out_dma, PAGE_SIZE); writel(0, &xdbc.xdbc_reg->control); early_iounmap(xdbc.xhci_base, xdbc.xhci_length); --- a/drivers/xen/swiotlb-xen.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/drivers/xen/swiotlb-xen.c @@ -36,6 +36,7 @@ #define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt #include <linux/bootmem.h> +#include <linux/memblock.h> #include <linux/dma-direct.h> #include <linux/export.h> #include <xen/swiotlb-xen.h> @@ -248,7 +249,8 @@ retry: xen_io_tlb_nslabs); if (rc) { if (early) - free_bootmem(__pa(xen_io_tlb_start), PAGE_ALIGN(bytes)); + memblock_free(__pa(xen_io_tlb_start), + PAGE_ALIGN(bytes)); else { free_pages((unsigned long)xen_io_tlb_start, order); xen_io_tlb_start = NULL; --- a/include/linux/bootmem.h~memblock-replace-free_bootmem_node-with-memblock_free +++ a/include/linux/bootmem.h @@ -30,10 +30,6 @@ extern unsigned long free_all_bootmem(vo extern void reset_node_managed_pages(pg_data_t *pgdat); extern void reset_all_zones_managed_pages(void); -extern void free_bootmem_node(pg_data_t *pgdat, - unsigned long addr, - unsigned long size); -extern void free_bootmem(unsigned long physaddr, unsigned long size); extern void free_bootmem_late(unsigned long physaddr, unsigned long size); /* We are using top down, so it is safe to use 0 here */ --- a/mm/nobootmem.c~memblock-replace-free_bootmem_node-with-memblock_free +++ a/mm/nobootmem.c @@ -150,33 +150,3 @@ unsigned long __init free_all_bootmem(vo return pages; } - -/** - * free_bootmem_node - mark a page range as usable - * @pgdat: node the range resides on - * @physaddr: starting physical address of the range - * @size: size of the range in bytes - * - * Partial pages will be considered reserved and left as they are. - * - * The range must reside completely on the specified node. - */ -void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr, - unsigned long size) -{ - memblock_free(physaddr, size); -} - -/** - * free_bootmem - mark a page range as usable - * @addr: starting physical address of the range - * @size: size of the range in bytes - * - * Partial pages will be considered reserved and left as they are. - * - * The range must be contiguous but may span node boundaries. - */ -void __init free_bootmem(unsigned long addr, unsigned long size) -{ - memblock_free(addr, size); -} _ Patches currently in -mm which might be from rppt@xxxxxxxxxxxxxxxxxx are hexagon-switch-to-no_bootmem.patch of-ignore-sub-page-memory-regions.patch nios2-use-generic-early_init_dt_add_memory_arch.patch nios2-switch-to-no_bootmem.patch um-setup_physmem-stop-using-global-variables.patch um-switch-to-no_bootmem.patch unicore32-switch-to-no_bootmem.patch alpha-switch-to-no_bootmem.patch mips-switch-to-no_bootmem.patch mm-remove-config_no_bootmem.patch mm-remove-config_have_memblock.patch mm-remove-bootmem-allocator-implementation.patch mm-nobootmem-remove-dead-code.patch memblock-rename-memblock_alloc_nid_try_nid-to-memblock_phys_alloc.patch memblock-remove-_virt-from-apis-returning-virtual-address.patch memblock-replace-alloc_bootmem_align-with-memblock_alloc.patch memblock-replace-alloc_bootmem_low-with-memblock_alloc_low.patch memblock-replace-__alloc_bootmem_node_nopanic-with-memblock_alloc_try_nid_nopanic.patch memblock-replace-alloc_bootmem_pages_nopanic-with-memblock_alloc_nopanic.patch memblock-replace-__alloc_bootmem_nopanic-with-memblock_alloc_from_nopanic.patch memblock-add-align-parameter-to-memblock_alloc_node.patch memblock-replace-alloc_bootmem_pages_node-with-memblock_alloc_node.patch memblock-replace-__alloc_bootmem_node-with-appropriate-memblock_-api.patch memblock-replace-alloc_bootmem_node-with-memblock_alloc_node.patch memblock-replace-alloc_bootmem_low_pages-with-memblock_alloc_low.patch memblock-replace-alloc_bootmem_pages-with-memblock_alloc.patch memblock-replace-__alloc_bootmem-with-memblock_alloc_from.patch memblock-replace-alloc_bootmem-with-memblock_alloc.patch mm-nobootmem-remove-bootmem-allocation-apis.patch memblock-replace-free_bootmem_node-with-memblock_free.patch memblock-replace-free_bootmem_late-with-memblock_free_late.patch memblock-rename-free_all_bootmem-to-memblock_free_all.patch memblock-rename-__free_pages_bootmem-to-memblock_free_pages.patch mm-remove-nobootmem.patch memblock-replace-bootmem_alloc_-with-memblock-variants.patch mm-remove-include-linux-bootmemh.patch docs-boot-time-mm-remove-bootmem-documentation.patch