diff options
| author | Christoph Lameter <clameter@sgi.com> | 2007-05-10 22:42:53 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2007-05-11 09:40:00 -0700 |
| commit | 2bd62a40f63bd628c43a2f3637b252d0967659b0 (patch) | |
| tree | 73b5dbda741421812f487ff0a9b753109fb105b4 /arch/ia64 | |
| parent | cdc7dbdfe6edac177acb32e4ca56b525d0743fe7 (diff) | |
[IA64] Quicklist support for IA64
IA64 is the origin of the quicklist implementation. So cut out the pieces
that are now in core code and modify the functions called.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/Kconfig | 4 | ||||
| -rw-r--r-- | arch/ia64/mm/contig.c | 2 | ||||
| -rw-r--r-- | arch/ia64/mm/discontig.c | 2 | ||||
| -rw-r--r-- | arch/ia64/mm/init.c | 51 |
4 files changed, 6 insertions, 53 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 6e41471449c..de1bff65996 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -31,6 +31,10 @@ config ZONE_DMA def_bool y depends on !IA64_SGI_SN2 +config QUICKLIST + bool + default y + config MMU bool default y diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c index 44ce5ed9444..7ac8592a35b 100644 --- a/arch/ia64/mm/contig.c +++ b/arch/ia64/mm/contig.c @@ -88,7 +88,7 @@ void show_mem(void) printk(KERN_INFO "%d pages shared\n", total_shared); printk(KERN_INFO "%d pages swap cached\n", total_cached); printk(KERN_INFO "Total of %ld pages in page table cache\n", - pgtable_quicklist_total_size()); + quicklist_total_size()); printk(KERN_INFO "%d free buffer pages\n", nr_free_buffer_pages()); } diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 94844442812..38085ac1833 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -561,7 +561,7 @@ void show_mem(void) printk(KERN_INFO "%d pages shared\n", total_shared); printk(KERN_INFO "%d pages swap cached\n", total_cached); printk(KERN_INFO "Total of %ld pages in page table cache\n", - pgtable_quicklist_total_size()); + quicklist_total_size()); printk(KERN_INFO "%d free buffer pages\n", nr_free_buffer_pages()); } diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index cffb1e8325e..c14abefabaf 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -39,9 +39,6 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); -DEFINE_PER_CPU(unsigned long *, __pgtable_quicklist); -DEFINE_PER_CPU(long, __pgtable_quicklist_size); - extern void ia64_tlb_init (void); unsigned long MAX_DMA_ADDRESS = PAGE_OFFSET + 0x100000000UL; @@ -56,54 +53,6 @@ EXPORT_SYMBOL(vmem_map); struct page *zero_page_memmap_ptr; /* map entry for zero page */ EXPORT_SYMBOL(zero_page_memmap_ptr); -#define MIN_PGT_PAGES 25UL -#define MAX_PGT_FREES_PER_PASS 16L -#define PGT_FRACTION_OF_NODE_MEM 16 - -static inline long -max_pgt_pages(void) -{ - u64 node_free_pages, max_pgt_pages; - -#ifndef CONFIG_NUMA - node_free_pages = nr_free_pages(); -#else - node_free_pages = node_page_state(numa_node_id(), NR_FREE_PAGES); -#endif - max_pgt_pages = node_free_pages / PGT_FRACTION_OF_NODE_MEM; - max_pgt_pages = max(max_pgt_pages, MIN_PGT_PAGES); - return max_pgt_pages; -} - -static inline long -min_pages_to_free(void) -{ - long pages_to_free; - - pages_to_free = pgtable_quicklist_size - max_pgt_pages(); - pages_to_free = min(pages_to_free, MAX_PGT_FREES_PER_PASS); - return pages_to_free; -} - -void -check_pgt_cache(void) -{ - long pages_to_free; - - if (unlikely(pgtable_quicklist_size <= MIN_PGT_PAGES)) - return; - - preempt_disable(); - while (unlikely((pages_to_free = min_pages_to_free()) > 0)) { - while (pages_to_free--) { - free_page((unsigned long)pgtable_quicklist_alloc()); - } - preempt_enable(); - preempt_disable(); - } - preempt_enable(); -} - void lazy_mmu_prot_update (pte_t pte) { |