diff options
Diffstat (limited to 'arch/sparc64/mm/init.c')
| -rw-r--r-- | arch/sparc64/mm/init.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 936ae1a594a..7c456afaa9a 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -141,26 +141,25 @@ unsigned long sparc64_kern_sec_context __read_mostly; int bigkernel = 0; -/* XXX Tune this... */ -#define PGT_CACHE_LOW 25 -#define PGT_CACHE_HIGH 50 +kmem_cache_t *pgtable_cache __read_mostly; -#ifndef CONFIG_SMP -struct pgtable_cache_struct pgt_quicklists; -#endif +static void zero_ctor(void *addr, kmem_cache_t *cache, unsigned long flags) +{ + clear_page(addr); +} -void check_pgt_cache(void) +void pgtable_cache_init(void) { - preempt_disable(); - if (pgtable_cache_size > PGT_CACHE_HIGH) { - do { - if (pgd_quicklist) - free_pgd_slow(get_pgd_fast()); - if (pte_quicklist) - free_pte_slow(pte_alloc_one_fast()); - } while (pgtable_cache_size > PGT_CACHE_LOW); + pgtable_cache = kmem_cache_create("pgtable_cache", + PAGE_SIZE, PAGE_SIZE, + SLAB_HWCACHE_ALIGN | + SLAB_MUST_HWCACHE_ALIGN, + zero_ctor, + NULL); + if (!pgtable_cache) { + prom_printf("pgtable_cache_init(): Could not create!\n"); + prom_halt(); } - preempt_enable(); } #ifdef CONFIG_DEBUG_DCFLUSH @@ -340,7 +339,6 @@ void show_mem(void) nr_swap_pages << (PAGE_SHIFT-10)); printk("%ld pages of RAM\n", num_physpages); printk("%d free pages\n", nr_free_pages()); - printk("%d pages in page table cache\n",pgtable_cache_size); } void mmu_info(struct seq_file *m) |