Modified: branches/2008R1/arch/blackfin/kernel/setup.c (4151 => 4152)
--- branches/2008R1/arch/blackfin/kernel/setup.c 2008-01-28 05:10:53 UTC (rev 4151)
+++ branches/2008R1/arch/blackfin/kernel/setup.c 2008-01-28 06:29:39 UTC (rev 4152)
@@ -238,6 +238,7 @@
memory_end = _ramend - DMA_UNCACHED_REGION;
_ramstart = (unsigned long)__bss_stop;
+ _rambase = (unsigned long)_stext;
#ifdef CONFIG_MPU
/* Round up to multiple of 4MB. */
memory_start = (_ramstart + 0x3fffff) & ~0x3fffff;
Modified: branches/2008R1/arch/blackfin/mm/init.c (4151 => 4152)
--- branches/2008R1/arch/blackfin/mm/init.c 2008-01-28 05:10:53 UTC (rev 4151)
+++ branches/2008R1/arch/blackfin/mm/init.c 2008-01-28 06:29:39 UTC (rev 4152)
@@ -128,8 +128,8 @@
void __init mem_init(void)
{
unsigned int codek = 0, datak = 0, initk = 0;
+ unsigned int reservedpages = 0, freepages = 0;
unsigned long tmp;
- unsigned int len = _ramend - _rambase;
unsigned long start_mem = memory_start;
unsigned long end_mem = memory_end;
@@ -138,19 +138,32 @@
start_mem = PAGE_ALIGN(start_mem);
max_mapnr = num_physpages = MAP_NR(high_memory);
- printk(KERN_INFO "Physical pages: %lx\n", num_physpages);
+ printk(KERN_DEBUG "Kernel managed physical pages: %lu\n", num_physpages);
/* This will put all memory onto the freelists. */
totalram_pages = free_all_bootmem();
+ reservedpages = 0;
+ for (tmp = 0; tmp < max_mapnr; tmp++)
+ if (PageReserved(pfn_to_page(tmp)))
+ reservedpages++;
+ freepages = max_mapnr - reservedpages;
+
+ /* do not count in kernel image between _rambase and _ramstart */
+ reservedpages -= (_ramstart - _rambase) >> PAGE_SHIFT;
+#if (defined(CONFIG_BFIN_ICACHE) && ANOMALY_05000263)
+ reservedpages += (_ramend - memory_end - DMA_UNCACHED_REGION) >> PAGE_SHIFT;
+#endif
+
codek = (_etext - _stext) >> 10;
- datak = (__bss_stop - __bss_start) >> 10;
initk = (__init_end - __init_begin) >> 10;
+ datak = ((_ramstart - _rambase) >> 10) - codek - initk;
- tmp = nr_free_pages() << PAGE_SHIFT;
printk(KERN_INFO
- "Memory available: %luk/%uk RAM, (%uk init code, %uk kernel code, %uk data, %uk dma)\n",
- tmp >> 10, len >> 10, initk, codek, datak, DMA_UNCACHED_REGION >> 10);
+ "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 >> 10,
+ initk, codek, datak, DMA_UNCACHED_REGION >> 10, (reservedpages << (PAGE_SHIFT-10)));
/* Initialize the blackfin L1 Memory. */
l1sram_init();
