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-rw-r--r--arch/blackfin/Kconfig2
-rw-r--r--arch/blackfin/include/asm/pgtable.h1
-rw-r--r--arch/blackfin/mm/init.c44
3 files changed, 10 insertions, 37 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index a117652b5fea..b573827d0416 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -253,7 +253,7 @@ config NR_CPUS
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
- depends on SMP && HOTPLUG
+ depends on SMP
default y
config BF_REV_MIN
diff --git a/arch/blackfin/include/asm/pgtable.h b/arch/blackfin/include/asm/pgtable.h
index b8663921d3c1..0b049019eba7 100644
--- a/arch/blackfin/include/asm/pgtable.h
+++ b/arch/blackfin/include/asm/pgtable.h
@@ -88,7 +88,6 @@ extern char empty_zero_page[];
* No page table caches to initialise.
*/
#define pgtable_cache_init() do { } while (0)
-#define io_remap_pfn_range remap_pfn_range
/*
* All 32bit addresses are effectively valid for vmalloc...
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c
index 82d01a71207f..166842de3dc7 100644
--- a/arch/blackfin/mm/init.c
+++ b/arch/blackfin/mm/init.c
@@ -90,50 +90,24 @@ asmlinkage void __init init_pda(void)
void __init mem_init(void)
{
- unsigned int codek = 0, datak = 0, initk = 0;
- unsigned int reservedpages = 0, freepages = 0;
- unsigned long tmp;
- unsigned long start_mem = memory_start;
- unsigned long end_mem = memory_end;
+ char buf[64];
- end_mem &= PAGE_MASK;
- high_memory = (void *)end_mem;
-
- start_mem = PAGE_ALIGN(start_mem);
- max_mapnr = num_physpages = MAP_NR(high_memory);
- printk(KERN_DEBUG "Kernel managed physical pages: %lu\n", num_physpages);
+ high_memory = (void *)(memory_end & PAGE_MASK);
+ max_mapnr = MAP_NR(high_memory);
+ printk(KERN_DEBUG "Kernel managed physical pages: %lu\n", max_mapnr);
/* This will put all low memory onto the freelists. */
- totalram_pages = free_all_bootmem();
-
- reservedpages = 0;
- for (tmp = ARCH_PFN_OFFSET; tmp < max_mapnr; tmp++)
- if (PageReserved(pfn_to_page(tmp)))
- reservedpages++;
- freepages = max_mapnr - ARCH_PFN_OFFSET - reservedpages;
-
- /* do not count in kernel image between _rambase and _ramstart */
- reservedpages -= (_ramstart - _rambase) >> PAGE_SHIFT;
-#if (defined(CONFIG_BFIN_EXTMEM_ICACHEABLE) && ANOMALY_05000263)
- reservedpages += (_ramend - memory_end - DMA_UNCACHED_REGION) >> PAGE_SHIFT;
-#endif
-
- codek = (_etext - _stext) >> 10;
- initk = (__init_end - __init_begin) >> 10;
- datak = ((_ramstart - _rambase) >> 10) - codek - initk;
+ free_all_bootmem();
- printk(KERN_INFO
- "Memory available: %luk/%luk RAM, "
- "(%uk init code, %uk kernel code, %uk data, %uk dma, %uk reserved)\n",
- (unsigned long) freepages << (PAGE_SHIFT-10), (_ramend - CONFIG_PHY_RAM_BASE_ADDRESS) >> 10,
- initk, codek, datak, DMA_UNCACHED_REGION >> 10, (reservedpages << (PAGE_SHIFT-10)));
+ snprintf(buf, sizeof(buf) - 1, "%uK DMA", DMA_UNCACHED_REGION >> 10);
+ mem_init_print_info(buf);
}
#ifdef CONFIG_BLK_DEV_INITRD
void __init free_initrd_mem(unsigned long start, unsigned long end)
{
#ifndef CONFIG_MPU
- free_reserved_area(start, end, 0, "initrd");
+ free_reserved_area((void *)start, (void *)end, -1, "initrd");
#endif
}
#endif
@@ -141,7 +115,7 @@ void __init free_initrd_mem(unsigned long start, unsigned long end)
void __init_refok free_initmem(void)
{
#if defined CONFIG_RAMKERNEL && !defined CONFIG_MPU
- free_initmem_default(0);
+ free_initmem_default(-1);
if (memory_start == (unsigned long)(&__init_end))
memory_start = (unsigned long)(&__init_begin);
#endif