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authorGreg Kroah-Hartman <gregkh@suse.de>2006-01-06 12:59:59 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2006-01-06 12:59:59 -0800
commitccf18968b1bbc2fb117190a1984ac2a826dac228 (patch)
tree7bc8fbf5722aecf1e84fa50c31c657864cba1daa /mm/internal.h
parente91c021c487110386a07facd0396e6c3b7cf9c1f (diff)
parentd99cf9d679a520d67f81d805b7cb91c68e1847f0 (diff)
Merge ../torvalds-2.6/
Diffstat (limited to 'mm/internal.h')
-rw-r--r--mm/internal.h21
1 files changed, 19 insertions, 2 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 6bf134e8fb3..17256bb2f4e 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -9,5 +9,22 @@
* 2 of the License, or (at your option) any later version.
*/
-/* page_alloc.c */
-extern void set_page_refs(struct page *page, int order);
+static inline void set_page_refs(struct page *page, int order)
+{
+#ifdef CONFIG_MMU
+ set_page_count(page, 1);
+#else
+ int i;
+
+ /*
+ * We need to reference all the pages for this order, otherwise if
+ * anyone accesses one of the pages with (get/put) it will be freed.
+ * - eg: access_process_vm()
+ */
+ for (i = 0; i < (1 << order); i++)
+ set_page_count(page + i, 1);
+#endif /* CONFIG_MMU */
+}
+
+extern void fastcall __init __free_pages_bootmem(struct page *page,
+ unsigned int order);