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-rw-r--r--mm/memory.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c
index c1e14c9e67e4..109e9866237e 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -47,6 +47,7 @@
47#include <linux/pagemap.h> 47#include <linux/pagemap.h>
48#include <linux/rmap.h> 48#include <linux/rmap.h>
49#include <linux/module.h> 49#include <linux/module.h>
50#include <linux/delayacct.h>
50#include <linux/init.h> 51#include <linux/init.h>
51 52
52#include <asm/pgalloc.h> 53#include <asm/pgalloc.h>
@@ -1549,9 +1550,9 @@ gotten:
1549 flush_cache_page(vma, address, pte_pfn(orig_pte)); 1550 flush_cache_page(vma, address, pte_pfn(orig_pte));
1550 entry = mk_pte(new_page, vma->vm_page_prot); 1551 entry = mk_pte(new_page, vma->vm_page_prot);
1551 entry = maybe_mkwrite(pte_mkdirty(entry), vma); 1552 entry = maybe_mkwrite(pte_mkdirty(entry), vma);
1553 lazy_mmu_prot_update(entry);
1552 ptep_establish(vma, address, page_table, entry); 1554 ptep_establish(vma, address, page_table, entry);
1553 update_mmu_cache(vma, address, entry); 1555 update_mmu_cache(vma, address, entry);
1554 lazy_mmu_prot_update(entry);
1555 lru_cache_add_active(new_page); 1556 lru_cache_add_active(new_page);
1556 page_add_new_anon_rmap(new_page, vma, address); 1557 page_add_new_anon_rmap(new_page, vma, address);
1557 1558
@@ -1853,7 +1854,7 @@ int vmtruncate_range(struct inode *inode, loff_t offset, loff_t end)
1853 1854
1854 return 0; 1855 return 0;
1855} 1856}
1856EXPORT_SYMBOL(vmtruncate_range); 1857EXPORT_UNUSED_SYMBOL(vmtruncate_range); /* June 2006 */
1857 1858
1858/* 1859/*
1859 * Primitive swap readahead code. We simply read an aligned block of 1860 * Primitive swap readahead code. We simply read an aligned block of
@@ -1934,6 +1935,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
1934 migration_entry_wait(mm, pmd, address); 1935 migration_entry_wait(mm, pmd, address);
1935 goto out; 1936 goto out;
1936 } 1937 }
1938 delayacct_set_flag(DELAYACCT_PF_SWAPIN);
1937 page = lookup_swap_cache(entry); 1939 page = lookup_swap_cache(entry);
1938 if (!page) { 1940 if (!page) {
1939 swapin_readahead(entry, address, vma); 1941 swapin_readahead(entry, address, vma);
@@ -1946,6 +1948,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
1946 page_table = pte_offset_map_lock(mm, pmd, address, &ptl); 1948 page_table = pte_offset_map_lock(mm, pmd, address, &ptl);
1947 if (likely(pte_same(*page_table, orig_pte))) 1949 if (likely(pte_same(*page_table, orig_pte)))
1948 ret = VM_FAULT_OOM; 1950 ret = VM_FAULT_OOM;
1951 delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
1949 goto unlock; 1952 goto unlock;
1950 } 1953 }
1951 1954
@@ -1955,6 +1958,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
1955 grab_swap_token(); 1958 grab_swap_token();
1956 } 1959 }
1957 1960
1961 delayacct_clear_flag(DELAYACCT_PF_SWAPIN);
1958 mark_page_accessed(page); 1962 mark_page_accessed(page);
1959 lock_page(page); 1963 lock_page(page);
1960 1964