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vserver 1.9.5.x5
[linux-2.6.git]
/
include
/
linux
/
pagemap.h
diff --git
a/include/linux/pagemap.h
b/include/linux/pagemap.h
index
12f8116
..
c394c0c
100644
(file)
--- a/
include/linux/pagemap.h
+++ b/
include/linux/pagemap.h
@@
-143,6
+143,14
@@
static inline unsigned long get_page_cache_size(void)
return ret;
}
return ret;
}
+/*
+ * Return byte-offset into filesystem object for page.
+ */
+static inline loff_t page_offset(struct page *page)
+{
+ return ((loff_t)page->index) << PAGE_CACHE_SHIFT;
+}
+
static inline pgoff_t linear_page_index(struct vm_area_struct *vma,
unsigned long address)
{
static inline pgoff_t linear_page_index(struct vm_area_struct *vma,
unsigned long address)
{