summaryrefslogtreecommitdiffstats
path: root/arch/ia64/mm/init.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64/mm/init.c')
-rw-r--r--arch/ia64/mm/init.c51
1 files changed, 0 insertions, 51 deletions
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)
{