diff options
Diffstat (limited to 'include/linux/mm_types.h')
| -rw-r--r-- | include/linux/mm_types.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 704a626d94a0..bf7867200b95 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -53,7 +53,16 @@ struct page { struct { union { pgoff_t index; /* Our offset within mapping. */ - void *freelist; /* slub first free object */ + void *freelist; /* slub/slob first free object */ + bool pfmemalloc; /* If set by the page allocator, + * ALLOC_NO_WATERMARKS was set + * and the low watermark was not + * met implying that the system + * is under some pressure. The + * caller should try ensure + * this page is only used to + * free other pages. + */ }; union { @@ -91,11 +100,12 @@ struct page { */ atomic_t _mapcount; - struct { + struct { /* SLUB */ unsigned inuse:16; unsigned objects:15; unsigned frozen:1; }; + int units; /* SLOB */ }; atomic_t _count; /* Usage count, see below. */ }; @@ -117,6 +127,12 @@ struct page { short int pobjects; #endif }; + + struct list_head list; /* slobs list of pages */ + struct { /* slab fields */ + struct kmem_cache *slab_cache; + struct slab *slab_page; + }; }; /* Remainder is not double word aligned */ |