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Diffstat (limited to 'include/linux/page_ext.h')
-rw-r--r--include/linux/page_ext.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h
index 61c0f05f9069..d2a2c84c72d0 100644
--- a/include/linux/page_ext.h
+++ b/include/linux/page_ext.h
@@ -1,6 +1,9 @@
#ifndef __LINUX_PAGE_EXT_H
#define __LINUX_PAGE_EXT_H
+#include <linux/types.h>
+#include <linux/stacktrace.h>
+
struct pglist_data;
struct page_ext_operations {
bool (*need)(void);
@@ -22,6 +25,7 @@ struct page_ext_operations {
enum page_ext_flags {
PAGE_EXT_DEBUG_POISON, /* Page is poisoned */
PAGE_EXT_DEBUG_GUARD,
+ PAGE_EXT_OWNER,
};
/*
@@ -33,6 +37,12 @@ enum page_ext_flags {
*/
struct page_ext {
unsigned long flags;
+#ifdef CONFIG_PAGE_OWNER
+ unsigned int order;
+ gfp_t gfp_mask;
+ struct stack_trace trace;
+ unsigned long trace_entries[8];
+#endif
};
extern void pgdat_page_ext_init(struct pglist_data *pgdat);