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Date: Thu, 6 Sep 2018 11:08:54 +0200
From: Michal Hocko <mhocko@...nel.org>
To: Mike Rapoport <rppt@...ux.vnet.ibm.com>
Cc: linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
"David S. Miller" <davem@...emloft.net>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Ingo Molnar <mingo@...hat.com>,
Michael Ellerman <mpe@...erman.id.au>,
Paul Burton <paul.burton@...s.com>,
Thomas Gleixner <tglx@...utronix.de>,
Tony Luck <tony.luck@...el.com>, linux-ia64@...r.kernel.org,
linux-mips@...ux-mips.org, linuxppc-dev@...ts.ozlabs.org,
sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 28/29] memblock: replace BOOTMEM_ALLOC_* with
MEMBLOCK variants
On Wed 05-09-18 18:59:43, Mike Rapoport wrote:
> Drop BOOTMEM_ALLOC_ACCESSIBLE and BOOTMEM_ALLOC_ANYWHERE in favor of
> identical MEMBLOCK definitions.
>
> Signed-off-by: Mike Rapoport <rppt@...ux.vnet.ibm.com>
Acked-by: Michal Hocko <mhocko@...e.com>
> ---
> arch/ia64/mm/discontig.c | 2 +-
> arch/powerpc/kernel/setup_64.c | 2 +-
> arch/sparc/kernel/smp_64.c | 2 +-
> arch/x86/kernel/setup_percpu.c | 2 +-
> arch/x86/mm/kasan_init_64.c | 4 ++--
> mm/hugetlb.c | 3 ++-
> mm/kasan/kasan_init.c | 2 +-
> mm/memblock.c | 8 ++++----
> mm/page_ext.c | 2 +-
> mm/sparse-vmemmap.c | 3 ++-
> mm/sparse.c | 5 +++--
> 11 files changed, 19 insertions(+), 16 deletions(-)
>
> diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
> index 918dda9..70609f8 100644
> --- a/arch/ia64/mm/discontig.c
> +++ b/arch/ia64/mm/discontig.c
> @@ -453,7 +453,7 @@ static void __init *memory_less_node_alloc(int nid, unsigned long pernodesize)
>
> ptr = memblock_alloc_try_nid(pernodesize, PERCPU_PAGE_SIZE,
> __pa(MAX_DMA_ADDRESS),
> - BOOTMEM_ALLOC_ACCESSIBLE,
> + MEMBLOCK_ALLOC_ACCESSIBLE,
> bestnode);
>
> return ptr;
> diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
> index e564b27..b3e70cc 100644
> --- a/arch/powerpc/kernel/setup_64.c
> +++ b/arch/powerpc/kernel/setup_64.c
> @@ -758,7 +758,7 @@ void __init emergency_stack_init(void)
> static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align)
> {
> return memblock_alloc_try_nid(size, align, __pa(MAX_DMA_ADDRESS),
> - BOOTMEM_ALLOC_ACCESSIBLE,
> + MEMBLOCK_ALLOC_ACCESSIBLE,
> early_cpu_to_node(cpu));
>
> }
> diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
> index a087a6a..6cc80d0 100644
> --- a/arch/sparc/kernel/smp_64.c
> +++ b/arch/sparc/kernel/smp_64.c
> @@ -1595,7 +1595,7 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, size_t size,
> cpu, size, __pa(ptr));
> } else {
> ptr = memblock_alloc_try_nid(size, align, goal,
> - BOOTMEM_ALLOC_ACCESSIBLE, node);
> + MEMBLOCK_ALLOC_ACCESSIBLE, node);
> pr_debug("per cpu data for cpu%d %lu bytes on node%d at "
> "%016lx\n", cpu, size, node, __pa(ptr));
> }
> diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
> index a006f1b..483412f 100644
> --- a/arch/x86/kernel/setup_percpu.c
> +++ b/arch/x86/kernel/setup_percpu.c
> @@ -114,7 +114,7 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size,
> cpu, size, __pa(ptr));
> } else {
> ptr = memblock_alloc_try_nid_nopanic(size, align, goal,
> - BOOTMEM_ALLOC_ACCESSIBLE,
> + MEMBLOCK_ALLOC_ACCESSIBLE,
> node);
>
> pr_debug("per cpu data for cpu%d %lu bytes on node%d at %016lx\n",
> diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c
> index 77b857c..8f87499 100644
> --- a/arch/x86/mm/kasan_init_64.c
> +++ b/arch/x86/mm/kasan_init_64.c
> @@ -29,10 +29,10 @@ static __init void *early_alloc(size_t size, int nid, bool panic)
> {
> if (panic)
> return memblock_alloc_try_nid(size, size,
> - __pa(MAX_DMA_ADDRESS), BOOTMEM_ALLOC_ACCESSIBLE, nid);
> + __pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_ACCESSIBLE, nid);
> else
> return memblock_alloc_try_nid_nopanic(size, size,
> - __pa(MAX_DMA_ADDRESS), BOOTMEM_ALLOC_ACCESSIBLE, nid);
> + __pa(MAX_DMA_ADDRESS), MEMBLOCK_ALLOC_ACCESSIBLE, nid);
> }
>
> static void __init kasan_populate_pmd(pmd_t *pmd, unsigned long addr,
> diff --git a/mm/hugetlb.c b/mm/hugetlb.c
> index 3f5419c..ee0b140 100644
> --- a/mm/hugetlb.c
> +++ b/mm/hugetlb.c
> @@ -16,6 +16,7 @@
> #include <linux/cpuset.h>
> #include <linux/mutex.h>
> #include <linux/bootmem.h>
> +#include <linux/memblock.h>
> #include <linux/sysfs.h>
> #include <linux/slab.h>
> #include <linux/mmdebug.h>
> @@ -2102,7 +2103,7 @@ int __alloc_bootmem_huge_page(struct hstate *h)
>
> addr = memblock_alloc_try_nid_raw(
> huge_page_size(h), huge_page_size(h),
> - 0, BOOTMEM_ALLOC_ACCESSIBLE, node);
> + 0, MEMBLOCK_ALLOC_ACCESSIBLE, node);
> if (addr) {
> /*
> * Use the beginning of the huge page to store the
> diff --git a/mm/kasan/kasan_init.c b/mm/kasan/kasan_init.c
> index 24d734b..785a970 100644
> --- a/mm/kasan/kasan_init.c
> +++ b/mm/kasan/kasan_init.c
> @@ -84,7 +84,7 @@ static inline bool kasan_zero_page_entry(pte_t pte)
> static __init void *early_alloc(size_t size, int node)
> {
> return memblock_alloc_try_nid(size, size, __pa(MAX_DMA_ADDRESS),
> - BOOTMEM_ALLOC_ACCESSIBLE, node);
> + MEMBLOCK_ALLOC_ACCESSIBLE, node);
> }
>
> static void __ref zero_pte_populate(pmd_t *pmd, unsigned long addr,
> diff --git a/mm/memblock.c b/mm/memblock.c
> index 3f76d40..6061914 100644
> --- a/mm/memblock.c
> +++ b/mm/memblock.c
> @@ -1417,7 +1417,7 @@ phys_addr_t __init memblock_phys_alloc_try_nid(phys_addr_t size, phys_addr_t ali
> * hold the requested memory.
> *
> * The allocation is performed from memory region limited by
> - * memblock.current_limit if @max_addr == %BOOTMEM_ALLOC_ACCESSIBLE.
> + * memblock.current_limit if @max_addr == %MEMBLOCK_ALLOC_ACCESSIBLE.
> *
> * The memory block is aligned on %SMP_CACHE_BYTES if @align == 0.
> *
> @@ -1504,7 +1504,7 @@ static void * __init memblock_alloc_internal(
> * @min_addr: the lower bound of the memory region from where the allocation
> * is preferred (phys address)
> * @max_addr: the upper bound of the memory region from where the allocation
> - * is preferred (phys address), or %BOOTMEM_ALLOC_ACCESSIBLE to
> + * is preferred (phys address), or %MEMBLOCK_ALLOC_ACCESSIBLE to
> * allocate only from memory limited by memblock.current_limit value
> * @nid: nid of the free area to find, %NUMA_NO_NODE for any node
> *
> @@ -1542,7 +1542,7 @@ void * __init memblock_alloc_try_nid_raw(
> * @min_addr: the lower bound of the memory region from where the allocation
> * is preferred (phys address)
> * @max_addr: the upper bound of the memory region from where the allocation
> - * is preferred (phys address), or %BOOTMEM_ALLOC_ACCESSIBLE to
> + * is preferred (phys address), or %MEMBLOCK_ALLOC_ACCESSIBLE to
> * allocate only from memory limited by memblock.current_limit value
> * @nid: nid of the free area to find, %NUMA_NO_NODE for any node
> *
> @@ -1577,7 +1577,7 @@ void * __init memblock_alloc_try_nid_nopanic(
> * @min_addr: the lower bound of the memory region from where the allocation
> * is preferred (phys address)
> * @max_addr: the upper bound of the memory region from where the allocation
> - * is preferred (phys address), or %BOOTMEM_ALLOC_ACCESSIBLE to
> + * is preferred (phys address), or %MEMBLOCK_ALLOC_ACCESSIBLE to
> * allocate only from memory limited by memblock.current_limit value
> * @nid: nid of the free area to find, %NUMA_NO_NODE for any node
> *
> diff --git a/mm/page_ext.c b/mm/page_ext.c
> index e77c0f0..5323c2a 100644
> --- a/mm/page_ext.c
> +++ b/mm/page_ext.c
> @@ -163,7 +163,7 @@ static int __init alloc_node_page_ext(int nid)
>
> base = memblock_alloc_try_nid_nopanic(
> table_size, PAGE_SIZE, __pa(MAX_DMA_ADDRESS),
> - BOOTMEM_ALLOC_ACCESSIBLE, nid);
> + MEMBLOCK_ALLOC_ACCESSIBLE, nid);
> if (!base)
> return -ENOMEM;
> NODE_DATA(nid)->node_page_ext = base;
> diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
> index 91c2c3d..7408cab 100644
> --- a/mm/sparse-vmemmap.c
> +++ b/mm/sparse-vmemmap.c
> @@ -21,6 +21,7 @@
> #include <linux/mm.h>
> #include <linux/mmzone.h>
> #include <linux/bootmem.h>
> +#include <linux/memblock.h>
> #include <linux/memremap.h>
> #include <linux/highmem.h>
> #include <linux/slab.h>
> @@ -43,7 +44,7 @@ static void * __ref __earlyonly_bootmem_alloc(int node,
> unsigned long goal)
> {
> return memblock_alloc_try_nid_raw(size, align, goal,
> - BOOTMEM_ALLOC_ACCESSIBLE, node);
> + MEMBLOCK_ALLOC_ACCESSIBLE, node);
> }
>
> void * __meminit vmemmap_alloc_block(unsigned long size, int node)
> diff --git a/mm/sparse.c b/mm/sparse.c
> index 509828f..0dcc306 100644
> --- a/mm/sparse.c
> +++ b/mm/sparse.c
> @@ -6,6 +6,7 @@
> #include <linux/slab.h>
> #include <linux/mmzone.h>
> #include <linux/bootmem.h>
> +#include <linux/memblock.h>
> #include <linux/compiler.h>
> #include <linux/highmem.h>
> #include <linux/export.h>
> @@ -393,7 +394,7 @@ struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid,
>
> map = memblock_alloc_try_nid(size,
> PAGE_SIZE, __pa(MAX_DMA_ADDRESS),
> - BOOTMEM_ALLOC_ACCESSIBLE, nid);
> + MEMBLOCK_ALLOC_ACCESSIBLE, nid);
> return map;
> }
> #endif /* !CONFIG_SPARSEMEM_VMEMMAP */
> @@ -407,7 +408,7 @@ static void __init sparse_buffer_init(unsigned long size, int nid)
> sparsemap_buf =
> memblock_alloc_try_nid_raw(size, PAGE_SIZE,
> __pa(MAX_DMA_ADDRESS),
> - BOOTMEM_ALLOC_ACCESSIBLE, nid);
> + MEMBLOCK_ALLOC_ACCESSIBLE, nid);
> sparsemap_buf_end = sparsemap_buf + size;
> }
>
> --
> 2.7.4
>
--
Michal Hocko
SUSE Labs
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