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| author | Paul Mundt <lethal@linux-sh.org> | 2007-06-06 12:09:54 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@hera.kernel.org> | 2007-06-08 02:43:48 +0000 |
| commit | 2de212ebd8d5c1a17e40bffcc7e434443105c4b8 (patch) | |
| tree | 12fa53997af8a8eb4b5384e07d07381888e28504 /arch/sh | |
| parent | cbd2d9d8fcd9d2a46d71d0703a76773c20383c66 (diff) | |
| download | blackbird-op-linux-2de212ebd8d5c1a17e40bffcc7e434443105c4b8.tar.gz blackbird-op-linux-2de212ebd8d5c1a17e40bffcc7e434443105c4b8.zip | |
sh: Fix up max_zone_pfns[] with multiple nodes.
Currently using multiple nodes tramples the ZONE_NORMAL
max low pfn, tidy up the logic a bit to get it all working
as expected.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/mm/init.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 1589466f9f87..2032b39c229a 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -142,6 +142,7 @@ extern char __init_begin, __init_end; */ void __init paging_init(void) { + unsigned long max_zone_pfns[MAX_NR_ZONES]; int nid; /* We don't need to map the kernel through the TLB, as @@ -153,23 +154,23 @@ void __init paging_init(void) * check for a null value. */ set_TTB(swapper_pg_dir); + memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); + for_each_online_node(nid) { pg_data_t *pgdat = NODE_DATA(nid); - unsigned long max_zone_pfns[MAX_NR_ZONES]; unsigned long low, start_pfn; - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - start_pfn = pgdat->bdata->node_boot_start >> PAGE_SHIFT; low = pgdat->bdata->node_low_pfn; - max_zone_pfns[ZONE_NORMAL] = low; + if (max_zone_pfns[ZONE_NORMAL] < low) + max_zone_pfns[ZONE_NORMAL] = low; printk("Node %u: start_pfn = 0x%lx, low = 0x%lx\n", nid, start_pfn, low); - - free_area_init_nodes(max_zone_pfns); } + + free_area_init_nodes(max_zone_pfns); } static struct kcore_list kcore_mem, kcore_vmalloc; @@ -179,6 +180,9 @@ void __init mem_init(void) int codesize, datasize, initsize; int nid; + num_physpages = 0; + high_memory = NULL; + for_each_online_node(nid) { pg_data_t *pgdat = NODE_DATA(nid); unsigned long node_pages = 0; @@ -191,9 +195,9 @@ void __init mem_init(void) totalram_pages += node_pages; - node_high_memory = (void *)((pgdat->node_start_pfn + - pgdat->node_spanned_pages) << - PAGE_SHIFT); + node_high_memory = (void *)__va((pgdat->node_start_pfn + + pgdat->node_spanned_pages) << + PAGE_SHIFT); if (node_high_memory > high_memory) high_memory = node_high_memory; } @@ -225,7 +229,7 @@ void __init mem_init(void) printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, " "%dk data, %dk init)\n", (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), - totalram_pages << (PAGE_SHIFT-10), + num_physpages << (PAGE_SHIFT-10), codesize >> 10, datasize >> 10, initsize >> 10); @@ -247,7 +251,8 @@ void free_initmem(void) free_page(addr); totalram_pages++; } - printk ("Freeing unused kernel memory: %dk freed\n", (&__init_end - &__init_begin) >> 10); + printk("Freeing unused kernel memory: %dk freed\n", + (&__init_end - &__init_begin) >> 10); } #ifdef CONFIG_BLK_DEV_INITRD @@ -260,6 +265,6 @@ void free_initrd_mem(unsigned long start, unsigned long end) free_page(p); totalram_pages++; } - printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); + printk("Freeing initrd memory: %ldk freed\n", (end - start) >> 10); } #endif |
