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-rw-r--r--include/linux/page-flags.h7
-rw-r--r--mm/slob.c12
2 files changed, 13 insertions, 6 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 3fc586b7b90b..54590a9a103e 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -105,6 +105,10 @@ enum pageflags {
PG_pinned = PG_owner_priv_1,
PG_savepinned = PG_dirty,
+ /* SLOB */
+ PG_slob_page = PG_active,
+ PG_slob_free = PG_private,
+
/* SLUB */
PG_slub_frozen = PG_active,
PG_slub_debug = PG_error,
@@ -173,6 +177,9 @@ PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved)
PAGEFLAG(Private, private) __CLEARPAGEFLAG(Private, private)
__SETPAGEFLAG(Private, private)
+__PAGEFLAG(SlobPage, slob_page)
+__PAGEFLAG(SlobFree, slob_free)
+
__PAGEFLAG(SlubFrozen, slub_frozen)
__PAGEFLAG(SlubDebug, slub_debug)
diff --git a/mm/slob.c b/mm/slob.c
index a3ad6671adf1..de268eb7ac70 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -130,17 +130,17 @@ static LIST_HEAD(free_slob_large);
*/
static inline int slob_page(struct slob_page *sp)
{
- return test_bit(PG_active, &sp->flags);
+ return PageSlobPage((struct page *)sp);
}
static inline void set_slob_page(struct slob_page *sp)
{
- __set_bit(PG_active, &sp->flags);
+ __SetPageSlobPage((struct page *)sp);
}
static inline void clear_slob_page(struct slob_page *sp)
{
- __clear_bit(PG_active, &sp->flags);
+ __ClearPageSlobPage((struct page *)sp);
}
/*
@@ -148,19 +148,19 @@ static inline void clear_slob_page(struct slob_page *sp)
*/
static inline int slob_page_free(struct slob_page *sp)
{
- return test_bit(PG_private, &sp->flags);
+ return PageSlobFree((struct page *)sp);
}
static void set_slob_page_free(struct slob_page *sp, struct list_head *list)
{
list_add(&sp->list, list);
- __set_bit(PG_private, &sp->flags);
+ __SetPageSlobFree((struct page *)sp);
}
static inline void clear_slob_page_free(struct slob_page *sp)
{
list_del(&sp->list);
- __clear_bit(PG_private, &sp->flags);
+ __ClearPageSlobFree((struct page *)sp);
}
#define SLOB_UNIT sizeof(slob_t)