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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-11 12:53:21 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-11 12:53:21 -0700 |
commit | 2a383c63ff933a496f19d6559ab54ac14871b7f3 (patch) | |
tree | b0f4a4fbc4d882c7fea7c6b8f69924284abff76d /arch/ia64/mm/init.c | |
parent | 8bd994815987dda0947bd9afd887b1410713d4f7 (diff) | |
parent | 2bd62a40f63bd628c43a2f3637b252d0967659b0 (diff) |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Quicklist support for IA64
[IA64] fix Kprobes reentrancy
[IA64] SN: validate smp_affinity mask on intr redirect
[IA64] drivers/char/snsc_event.c:206: warning: unused variable `p'
[IA64] mca.c:121: warning: 'cpe_poll_timer' defined but not used
[IA64] Fix - Section mismatch: reference to .init.data:mvec_name
[IA64] more warning cleanups
[IA64] Wire up epoll_pwait and utimensat
[IA64] Fix warnings resulting from type-checking in dev_dbg()
[IA64] typo s/kenrel/kernel/
Diffstat (limited to 'arch/ia64/mm/init.c')
-rw-r--r-- | arch/ia64/mm/init.c | 51 |
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) { |