diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/filemap.c | 2 | ||||
| -rw-r--r-- | mm/memory.c | 6 | ||||
| -rw-r--r-- | mm/nommu.c | 2 | ||||
| -rw-r--r-- | mm/vmalloc.c | 7 |
4 files changed, 11 insertions, 6 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index d087fc3d3281..b9a60c43b61a 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -849,8 +849,6 @@ static void shrink_readahead_size_eio(struct file *filp, return; ra->ra_pages /= 4; - printk(KERN_WARNING "Reducing readahead size to %luK\n", - ra->ra_pages << (PAGE_CACHE_SHIFT - 10)); } /** diff --git a/mm/memory.c b/mm/memory.c index dc0d82cf2a1c..109e9866237e 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -47,6 +47,7 @@ #include <linux/pagemap.h> #include <linux/rmap.h> #include <linux/module.h> +#include <linux/delayacct.h> #include <linux/init.h> #include <asm/pgalloc.h> @@ -1549,9 +1550,9 @@ gotten: flush_cache_page(vma, address, pte_pfn(orig_pte)); entry = mk_pte(new_page, vma->vm_page_prot); entry = maybe_mkwrite(pte_mkdirty(entry), vma); + lazy_mmu_prot_update(entry); ptep_establish(vma, address, page_table, entry); update_mmu_cache(vma, address, entry); - lazy_mmu_prot_update(entry); lru_cache_add_active(new_page); page_add_new_anon_rmap(new_page, vma, address); @@ -1934,6 +1935,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, migration_entry_wait(mm, pmd, address); goto out; } + delayacct_set_flag(DELAYACCT_PF_SWAPIN); page = lookup_swap_cache(entry); if (!page) { swapin_readahead(entry, address, vma); @@ -1946,6 +1948,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, page_table = pte_offset_map_lock(mm, pmd, address, &ptl); if (likely(pte_same(*page_table, orig_pte))) ret = VM_FAULT_OOM; + delayacct_clear_flag(DELAYACCT_PF_SWAPIN); goto unlock; } @@ -1955,6 +1958,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, grab_swap_token(); } + delayacct_clear_flag(DELAYACCT_PF_SWAPIN); mark_page_accessed(page); lock_page(page); diff --git a/mm/nommu.c b/mm/nommu.c index 5151c44a8257..c576df71e3bb 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -1070,6 +1070,7 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, vma->vm_start = vma->vm_pgoff << PAGE_SHIFT; return 0; } +EXPORT_SYMBOL(remap_pfn_range); void swap_unplug_io_fn(struct backing_dev_info *bdi, struct page *page) { @@ -1090,6 +1091,7 @@ void unmap_mapping_range(struct address_space *mapping, int even_cows) { } +EXPORT_SYMBOL(unmap_mapping_range); /* * Check that a process has enough memory to allocate a new virtual diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 7b450798b458..266162d2ba28 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -340,7 +340,7 @@ void __vunmap(void *addr, int deallocate_pages) __free_page(area->pages[i]); } - if (area->nr_pages > PAGE_SIZE/sizeof(struct page *)) + if (area->flags & VM_VPAGES) vfree(area->pages); else kfree(area->pages); @@ -427,9 +427,10 @@ void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, area->nr_pages = nr_pages; /* Please note that the recursion is strictly bounded. */ - if (array_size > PAGE_SIZE) + if (array_size > PAGE_SIZE) { pages = __vmalloc_node(array_size, gfp_mask, PAGE_KERNEL, node); - else + area->flags |= VM_VPAGES; + } else pages = kmalloc_node(array_size, (gfp_mask & ~__GFP_HIGHMEM), node); area->pages = pages; if (!area->pages) { |
