diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 16:01:05 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-17 16:01:05 +0200 |
| commit | 0e50a4c6ab94ffe7e5515b86b5df9e5abc8c6b13 (patch) | |
| tree | 3c688483e71261f564fc43be3157b337ae340dca /arch/sparc64/mm/init.c | |
| parent | 34b2cd5b688b012975fcfc3b3970fc3508fa82c4 (diff) | |
| parent | f26a3988917913b3d11b2bd741601a2c64ab9204 (diff) | |
Merge branch 'linus' into x86/pebstip-x86-pebs-2008-05-17-14-01-06
Diffstat (limited to 'arch/sparc64/mm/init.c')
| -rw-r--r-- | arch/sparc64/mm/init.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index ec3e2c72302a..a9828d748e2c 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -610,8 +610,6 @@ static void __init remap_kernel(void) static void __init inherit_prom_mappings(void) { - read_obp_translations(); - /* Now fixup OBP's idea about where we really are mapped. */ printk("Remapping the kernel... "); remap_kernel(); @@ -1747,7 +1745,17 @@ void __init paging_init(void) lmb_init(); - /* Find available physical memory... */ + /* Find available physical memory... + * + * Read it twice in order to work around a bug in openfirmware. + * The call to grab this table itself can cause openfirmware to + * allocate memory, which in turn can take away some space from + * the list of available memory. Reading it twice makes sure + * we really do get the final value. + */ + read_obp_translations(); + read_obp_memory("reg", &pall[0], &pall_ents); + read_obp_memory("available", &pavail[0], &pavail_ents); read_obp_memory("available", &pavail[0], &pavail_ents); phys_base = 0xffffffffffffffffUL; @@ -1788,8 +1796,6 @@ void __init paging_init(void) inherit_prom_mappings(); - read_obp_memory("reg", &pall[0], &pall_ents); - init_kpte_bitmap(); /* Ok, we can use our TLB miss and window trap handlers safely. */ |