Use common help functions to free reserved pages. Also include <asm/sections.h> to avoid local declarations.
Signed-off-by: Jiang Liu <jiang....@huawei.com> Cc: Richard Henderson <r...@twiddle.net> Cc: Ivan Kokshaysky <i...@jurassic.park.msu.ru> Cc: Matt Turner <matts...@gmail.com> --- arch/alpha/kernel/sys_nautilus.c | 5 ++--- arch/alpha/mm/init.c | 24 +++--------------------- arch/alpha/mm/numa.c | 3 +-- 3 files changed, 6 insertions(+), 26 deletions(-) diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c index 4d4c046..a8b9d66 100644 --- a/arch/alpha/kernel/sys_nautilus.c +++ b/arch/alpha/kernel/sys_nautilus.c @@ -185,7 +185,6 @@ nautilus_machine_check(unsigned long vector, unsigned long la_ptr) mb(); } -extern void free_reserved_mem(void *, void *); extern void pcibios_claim_one_bus(struct pci_bus *); static struct resource irongate_mem = { @@ -234,8 +233,8 @@ nautilus_init_pci(void) if (pci_mem < memtop) memtop = pci_mem; if (memtop > alpha_mv.min_mem_address) { - free_reserved_mem(__va(alpha_mv.min_mem_address), - __va(memtop)); + free_reserved_area((unsigned long)__va(alpha_mv.min_mem_address), + (unsigned long)__va(memtop), 0, NULL); printk("nautilus_init_pci: %ldk freed\n", (memtop - alpha_mv.min_mem_address) >> 10); } diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c index 1ad6ca7..0ba85ee 100644 --- a/arch/alpha/mm/init.c +++ b/arch/alpha/mm/init.c @@ -31,6 +31,7 @@ #include <asm/console.h> #include <asm/tlb.h> #include <asm/setup.h> +#include <asm/sections.h> extern void die_if_kernel(char *,struct pt_regs *,long); @@ -281,8 +282,6 @@ printk_memory_info(void) { unsigned long codesize, reservedpages, datasize, initsize, tmp; extern int page_is_ram(unsigned long) __init; - extern char _text, _etext, _data, _edata; - extern char __init_begin, __init_end; /* printk all informations */ reservedpages = 0; @@ -318,32 +317,15 @@ mem_init(void) #endif /* CONFIG_DISCONTIGMEM */ void -free_reserved_mem(void *start, void *end) -{ - void *__start = start; - for (; __start < end; __start += PAGE_SIZE) { - ClearPageReserved(virt_to_page(__start)); - init_page_count(virt_to_page(__start)); - free_page((long)__start); - totalram_pages++; - } -} - -void free_initmem(void) { - extern char __init_begin, __init_end; - - free_reserved_mem(&__init_begin, &__init_end); - printk ("Freeing unused kernel memory: %ldk freed\n", - (&__init_end - &__init_begin) >> 10); + free_initmem_default(0); } #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - free_reserved_mem((void *)start, (void *)end); - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); + free_reserved_area(start, end, 0, "initrd"); } #endif diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c index 3973ae3..3388504 100644 --- a/arch/alpha/mm/numa.c +++ b/arch/alpha/mm/numa.c @@ -17,6 +17,7 @@ #include <asm/hwrpb.h> #include <asm/pgalloc.h> +#include <asm/sections.h> pg_data_t node_data[MAX_NUMNODES]; EXPORT_SYMBOL(node_data); @@ -325,8 +326,6 @@ void __init mem_init(void) { unsigned long codesize, reservedpages, datasize, initsize, pfn; extern int page_is_ram(unsigned long) __init; - extern char _text, _etext, _data, _edata; - extern char __init_begin, __init_end; unsigned long nid, i; high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/