On Fri 14-09-18 15:10:36, Mike Rapoport wrote:
> The alloc_bootmem(size) is a shortcut for allocation of SMP_CACHE_BYTES
> aligned memory. When the align parameter of memblock_alloc() is 0, the
> alignment is implicitly set to SMP_CACHE_BYTES and thus alloc_bootmem(size)
> and memblock_alloc(size, 0) are equivalent.
>
> The conversion is done using the following semantic patch:
>
> @@
> expression size;
> @@
> - alloc_bootmem(size)
> + memblock_alloc(size, 0)
As mentioned in other email, please make it explicit SMP_CACHE_BYTES.
> 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 +-
> drivers/macintosh/smu.c | 2 +-
> init/main.c | 4 ++--
> 19 files changed, 28 insertions(+), 26 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(>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 = >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 = >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)] = \
> -