diff options
Diffstat (limited to 'arch/microblaze/mm/init.c')
-rw-r--r-- | arch/microblaze/mm/init.c | 45 |
1 files changed, 29 insertions, 16 deletions
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index a57cedf3671..f42c2dde8b1 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -15,6 +15,7 @@ #include <linux/initrd.h> #include <linux/pagemap.h> #include <linux/pfn.h> +#include <linux/slab.h> #include <linux/swap.h> #include <asm/page.h> @@ -23,6 +24,9 @@ #include <asm/sections.h> #include <asm/tlb.h> +/* Use for MMU and noMMU because of PCI generic code */ +int mem_init_done; + #ifndef CONFIG_MMU unsigned int __page_offset; EXPORT_SYMBOL(__page_offset); @@ -30,7 +34,6 @@ EXPORT_SYMBOL(__page_offset); #else DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); -int mem_init_done; static int init_bootmem_done; #endif /* CONFIG_MMU */ @@ -163,7 +166,6 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end) for (addr = begin; addr < end; addr += PAGE_SIZE) { ClearPageReserved(virt_to_page(addr)); init_page_count(virt_to_page(addr)); - memset((void *)addr, 0xcc, PAGE_SIZE); free_page(addr); totalram_pages++; } @@ -193,12 +195,6 @@ void free_initmem(void) (unsigned long)(&__init_end)); } -/* FIXME from arch/powerpc/mm/mem.c*/ -void show_mem(void) -{ - printk(KERN_NOTICE "%s\n", __func__); -} - void __init mem_init(void) { high_memory = (void *)__va(memory_end); @@ -208,20 +204,14 @@ void __init mem_init(void) printk(KERN_INFO "Memory: %luk/%luk available\n", nr_free_pages() << (PAGE_SHIFT-10), num_physpages << (PAGE_SHIFT-10)); -#ifdef CONFIG_MMU mem_init_done = 1; -#endif } #ifndef CONFIG_MMU -/* Check against bounds of physical memory */ -int ___range_ok(unsigned long addr, unsigned long size) +int page_is_ram(unsigned long pfn) { - return ((addr < memory_start) || - ((addr + size) > memory_end)); + return __range_ok(pfn, 0); } -EXPORT_SYMBOL(___range_ok); - #else int page_is_ram(unsigned long pfn) { @@ -349,4 +339,27 @@ void __init *early_get_page(void) } return p; } + #endif /* CONFIG_MMU */ + +void * __init_refok alloc_maybe_bootmem(size_t size, gfp_t mask) +{ + if (mem_init_done) + return kmalloc(size, mask); + else + return alloc_bootmem(size); +} + +void * __init_refok zalloc_maybe_bootmem(size_t size, gfp_t mask) +{ + void *p; + + if (mem_init_done) + p = kzalloc(size, mask); + else { + p = alloc_bootmem(size); + if (p) + memset(p, 0, size); + } + return p; +} |