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| author | Arjan van de Ven <arjan@linux.intel.com> | 2008-10-17 09:20:26 -0700 |
|---|---|---|
| committer | Arjan van de Ven <arjan@linux.intel.com> | 2008-10-17 09:20:26 -0700 |
| commit | 651dab4264e4ba0e563f5ff56f748127246e9065 (patch) | |
| tree | 016630974bdcb00fe529b673f96d389e0fd6dc94 /include/linux/mm_types.h | |
| parent | 40b8606253552109815786e5d4b0de98782d31f5 (diff) | |
| parent | 2e532d68a2b3e2aa6b19731501222069735c741c (diff) | |
| download | linux-stable-651dab4264e4ba0e563f5ff56f748127246e9065.tar.gz linux-stable-651dab4264e4ba0e563f5ff56f748127246e9065.tar.bz2 linux-stable-651dab4264e4ba0e563f5ff56f748127246e9065.zip | |
Merge commit 'linus/master' into merge-linus
Conflicts:
arch/x86/kvm/i8254.c
Diffstat (limited to 'include/linux/mm_types.h')
| -rw-r--r-- | include/linux/mm_types.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index bf334138c7c1..9d49fa36bbef 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -21,11 +21,13 @@ struct address_space; -#if NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS +#define USE_SPLIT_PTLOCKS (NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS) + +#if USE_SPLIT_PTLOCKS typedef atomic_long_t mm_counter_t; -#else /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */ +#else /* !USE_SPLIT_PTLOCKS */ typedef unsigned long mm_counter_t; -#endif /* NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS */ +#endif /* !USE_SPLIT_PTLOCKS */ /* * Each physical page in the system has a struct page associated with @@ -65,7 +67,7 @@ struct page { * see PAGE_MAPPING_ANON below. */ }; -#if NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS +#if USE_SPLIT_PTLOCKS spinlock_t ptl; #endif struct kmem_cache *slab; /* SLUB: Pointer to slab */ |