remap_file_pages: Use vma_lookup() instead of find_vma()

[linux-2.6-microblaze.git] / mm / filemap.c

diff --git a/mm/filemap.c b/mm/filemap.c
index d1458ec..4926f16 100644 (file)
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -258,12 +258,11 @@ static void page_cache_free_page(struct address_space *mapping,
 void delete_from_page_cache(struct page *page)
 {
        struct address_space *mapping = page_mapping(page);
-       unsigned long flags;
 
        BUG_ON(!PageLocked(page));
-       xa_lock_irqsave(&mapping->i_pages, flags);
+       xa_lock_irq(&mapping->i_pages);
        __delete_from_page_cache(page, NULL);
-       xa_unlock_irqrestore(&mapping->i_pages, flags);
+       xa_unlock_irq(&mapping->i_pages);
 
        page_cache_free_page(mapping, page);
 }
@@ -335,19 +334,18 @@ void delete_from_page_cache_batch(struct address_space *mapping,
                                  struct pagevec *pvec)
 {
        int i;
-       unsigned long flags;
 
        if (!pagevec_count(pvec))
                return;
 
-       xa_lock_irqsave(&mapping->i_pages, flags);
+       xa_lock_irq(&mapping->i_pages);
        for (i = 0; i < pagevec_count(pvec); i++) {
                trace_mm_filemap_delete_from_page_cache(pvec->pages[i]);
 
                unaccount_page_cache_page(mapping, pvec->pages[i]);
        }
        page_cache_delete_batch(mapping, pvec);
-       xa_unlock_irqrestore(&mapping->i_pages, flags);
+       xa_unlock_irq(&mapping->i_pages);
 
        for (i = 0; i < pagevec_count(pvec); i++)
                page_cache_free_page(mapping, pvec->pages[i]);
@@ -821,7 +819,6 @@ void replace_page_cache_page(struct page *old, struct page *new)
        void (*freepage)(struct page *) = mapping->a_ops->freepage;
        pgoff_t offset = old->index;
        XA_STATE(xas, &mapping->i_pages, offset);
-       unsigned long flags;
 
        VM_BUG_ON_PAGE(!PageLocked(old), old);
        VM_BUG_ON_PAGE(!PageLocked(new), new);
@@ -833,7 +830,7 @@ void replace_page_cache_page(struct page *old, struct page *new)
 
        mem_cgroup_migrate(old, new);
 
-       xas_lock_irqsave(&xas, flags);
+       xas_lock_irq(&xas);
        xas_store(&xas, new);
 
        old->mapping = NULL;
@@ -846,7 +843,7 @@ void replace_page_cache_page(struct page *old, struct page *new)
                __dec_lruvec_page_state(old, NR_SHMEM);
        if (PageSwapBacked(new))
                __inc_lruvec_page_state(new, NR_SHMEM);
-       xas_unlock_irqrestore(&xas, flags);
+       xas_unlock_irq(&xas);
        if (freepage)
                freepage(old);
        put_page(old);