提交 3653f3ab 编写于 作者: A Aneesh Kumar K.V 提交者: Theodore Ts'o

arm: Export empty_zero_page for ZERO_PAGE usage in modules.

ext4 uses ZERO_PAGE(0) to zero out blocks.  We need to export
different symbols in different arches for the usage of ZERO_PAGE
in modules.
Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>
上级 e65187e6
...@@ -35,6 +35,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; ...@@ -35,6 +35,7 @@ extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
* zero-initialized data and COW. * zero-initialized data and COW.
*/ */
struct page *empty_zero_page; struct page *empty_zero_page;
EXPORT_SYMBOL(empty_zero_page);
/* /*
* The pmd table for the upper-most set of pages. * The pmd table for the upper-most set of pages.
......
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