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-rw-r--r--mm/rmap.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/mm/rmap.c b/mm/rmap.c
index 4107f64..6f3f7db 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -451,7 +451,11 @@ static void __page_set_anon_rmap(struct page *page,
page->index = linear_page_index(vma, address);
- inc_page_state(nr_mapped);
+ /*
+ * nr_mapped state can be updated without turning off
+ * interrupts because it is not modified via interrupt.
+ */
+ __inc_page_state(nr_mapped);
}
/**
@@ -498,7 +502,7 @@ void page_add_file_rmap(struct page *page)
BUG_ON(!pfn_valid(page_to_pfn(page)));
if (atomic_inc_and_test(&page->_mapcount))
- inc_page_state(nr_mapped);
+ __inc_page_state(nr_mapped);
}
/**
@@ -522,7 +526,7 @@ void page_remove_rmap(struct page *page)
*/
if (page_test_and_clear_dirty(page))
set_page_dirty(page);
- dec_page_state(nr_mapped);
+ __dec_page_state(nr_mapped);
}
}
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