diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-05-09 20:12:06 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-05-09 20:12:06 +1000 |
| commit | 2a5f2e3e6cd1ce9fb3f8b186b6bc9aa1f1497a92 (patch) | |
| tree | b2306840f227972a7c9d4a2b75e516fe81358ce8 /arch/sparc/mm/fault.c | |
| parent | 02539d71fa98d5737bb668b02286c76241e4bac9 (diff) | |
| parent | 78be76476a34a77f0ea9db2f78ba46a2b0fd5ab5 (diff) | |
| download | linux-2a5f2e3e6cd1ce9fb3f8b186b6bc9aa1f1497a92.tar.bz2 | |
Merge branch 'for-2.6.26' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx into merge
Diffstat (limited to 'arch/sparc/mm/fault.c')
| -rw-r--r-- | arch/sparc/mm/fault.c | 61 |
1 files changed, 6 insertions, 55 deletions
diff --git a/arch/sparc/mm/fault.c b/arch/sparc/mm/fault.c index e4d9c8e19df5..abd50795a7b6 100644 --- a/arch/sparc/mm/fault.c +++ b/arch/sparc/mm/fault.c @@ -47,64 +47,15 @@ int vac_size, vac_linesize, vac_do_hw_vac_flushes; int vac_entries_per_context, vac_entries_per_segment; int vac_entries_per_page; -/* Nice, simple, prom library does all the sweating for us. ;) */ -int prom_probe_memory (void) +/* Return how much physical memory we have. */ +unsigned long probe_memory(void) { - register struct linux_mlist_v0 *mlist; - register unsigned long bytes, base_paddr, tally; - register int i; - - i = 0; - mlist= *prom_meminfo()->v0_available; - bytes = tally = mlist->num_bytes; - base_paddr = (unsigned long) mlist->start_adr; - - sp_banks[0].base_addr = base_paddr; - sp_banks[0].num_bytes = bytes; - - while (mlist->theres_more != (void *) 0){ - i++; - mlist = mlist->theres_more; - bytes = mlist->num_bytes; - tally += bytes; - if (i > SPARC_PHYS_BANKS-1) { - printk ("The machine has more banks than " - "this kernel can support\n" - "Increase the SPARC_PHYS_BANKS " - "setting (currently %d)\n", - SPARC_PHYS_BANKS); - i = SPARC_PHYS_BANKS-1; - break; - } - - sp_banks[i].base_addr = (unsigned long) mlist->start_adr; - sp_banks[i].num_bytes = mlist->num_bytes; - } - - i++; - sp_banks[i].base_addr = 0xdeadbeef; - sp_banks[i].num_bytes = 0; - - /* Now mask all bank sizes on a page boundary, it is all we can - * use anyways. - */ - for(i=0; sp_banks[i].num_bytes != 0; i++) - sp_banks[i].num_bytes &= PAGE_MASK; - - return tally; -} - -/* Traverse the memory lists in the prom to see how much physical we - * have. - */ -unsigned long -probe_memory(void) -{ - int total; + unsigned long total = 0; + int i; - total = prom_probe_memory(); + for (i = 0; sp_banks[i].num_bytes; i++) + total += sp_banks[i].num_bytes; - /* Oh man, much nicer, keep the dirt in promlib. */ return total; } |