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author | Pekka Enberg <penberg@kernel.org> | 2011-07-18 12:16:55 (GMT) |
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committer | Pekka Enberg <penberg@kernel.org> | 2011-07-18 12:16:55 (GMT) |
commit | 3adf004d82c03ca9d57cbe960657757a71e4c2e7 (patch) | |
tree | 89d73135f7961ee17a3e4698b8c3f2e1f5b43476 /include/linux/mm_types.h | |
parent | ea6bd8ee1a2ccdffc38b2b1fcfe941addfafaade (diff) | |
download | linux-fsl-qoriq-3adf004d82c03ca9d57cbe960657757a71e4c2e7.tar.xz |
Revert "SLUB: Fix build breakage in linux/mm_types.h"
This reverts commit ea6bd8ee1a2ccdffc38b2b1fcfe941addfafaade.
Diffstat (limited to 'include/linux/mm_types.h')
-rw-r--r-- | include/linux/mm_types.h | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 6dc6413..3d76a43 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -49,27 +49,32 @@ struct page { * see PAGE_MAPPING_ANON below. */ /* Second double word */ - struct { - union { + union { + struct { pgoff_t index; /* Our offset within mapping. */ - void *freelist; /* slub first free object */ - }; - - union { atomic_t _mapcount; /* Count of ptes mapped in mms, * to show when page is mapped * & limit reverse map searches. */ + atomic_t _count; /* Usage count, see below. */ + }; - /* Used for cmpxchg_double in slub */ - unsigned long counters; - struct { + struct { /* SLUB cmpxchg_double area */ + void *freelist; + union { + unsigned long counters; + struct { unsigned inuse:16; unsigned objects:15; unsigned frozen:1; + /* + * Kernel may make use of this field even when slub + * uses the rest of the double word! + */ + atomic_t _count; + }; }; }; - atomic_t _count; /* Usage count, see below. */ }; /* Third double word block */ |