Debug tweak.
Signed-off-by: Andrea Arcangeli <aarcange@xxxxxxxxxx>
---
include/linux/autonuma.h | 15 +++++++++++++++
mm/page_alloc.c | 3 ++-
2 files changed, 17 insertions(+), 1 deletions(-)
diff --git a/include/linux/autonuma.h b/include/linux/autonuma.h
index 274c616..9cd94cc 100644
--- a/include/linux/autonuma.h
+++ b/include/linux/autonuma.h
@@ -18,6 +18,20 @@ static inline void autonuma_free_page(struct page *page)
lookup_page_autonuma(page)->autonuma_last_nid = -1;
}
+static inline int autonuma_check_new_page(struct page *page)
+{
+ struct page_autonuma *page_autonuma;
+ int ret = 0;
+ if (autonuma_possible()) {
+ page_autonuma = lookup_page_autonuma(page);
+ if (unlikely(page_autonuma->autonuma_last_nid != -1)) {
+ ret = 1;
+ WARN_ON(1);
+ }
+ }
+ return ret;
+}
+
#define autonuma_printk(format, args...) \
if (autonuma_debug()) printk(format, ##args)
@@ -29,6 +43,7 @@ static inline void autonuma_migrate_split_huge_page(struct page *page,
struct page *page_tail) {}
static inline void autonuma_setup_new_exec(struct task_struct *p) {}
static inline void autonuma_free_page(struct page *page) {}
+static inline int autonuma_check_new_page(struct page *page) { return 0; }
#endif /* CONFIG_AUTONUMA */
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8e6493a..ecb2f8d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -833,7 +833,8 @@ static inline int check_new_page(struct page *page)
(page->mapping != NULL) |
(__page_count(page) != 0) |
(page->flags & PAGE_FLAGS_CHECK_AT_PREP) |
- (mem_cgroup_bad_page_check(page)))) {
+ (mem_cgroup_bad_page_check(page)) |
+ autonuma_check_new_page(page))) {
bad_page(page);
return 1;
}
--
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