diff options
| author | Christoph Lameter <cl@linux.com> | 2011-06-01 13:25:57 -0400 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2011-07-02 06:26:56 -0400 |
| commit | e36a2652d7d1ad97f7636a39bdd8654d296cc36b (patch) | |
| tree | fd01f6bf66b233e8e66a119ded39691914db7d7e /include | |
| parent | fc59c05306fe1dcfa3fb8ba34ed45407fba4689c (diff) | |
slub: Add statistics for the case that the current slab does not match the node
Slub reloads the per cpu slab if the page does not satisfy the NUMA condition. Track
those reloads since doing so has a performance impact.
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/slub_def.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index b42715294147..5b228b785377 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h | |||
| @@ -24,6 +24,7 @@ enum stat_item { | |||
| 24 | ALLOC_FROM_PARTIAL, /* Cpu slab acquired from partial list */ | 24 | ALLOC_FROM_PARTIAL, /* Cpu slab acquired from partial list */ |
| 25 | ALLOC_SLAB, /* Cpu slab acquired from page allocator */ | 25 | ALLOC_SLAB, /* Cpu slab acquired from page allocator */ |
| 26 | ALLOC_REFILL, /* Refill cpu slab from slab freelist */ | 26 | ALLOC_REFILL, /* Refill cpu slab from slab freelist */ |
| 27 | ALLOC_NODE_MISMATCH, /* Switching cpu slab */ | ||
| 27 | FREE_SLAB, /* Slab freed to the page allocator */ | 28 | FREE_SLAB, /* Slab freed to the page allocator */ |
| 28 | CPUSLAB_FLUSH, /* Abandoning of the cpu slab */ | 29 | CPUSLAB_FLUSH, /* Abandoning of the cpu slab */ |
| 29 | DEACTIVATE_FULL, /* Cpu slab was full when deactivated */ | 30 | DEACTIVATE_FULL, /* Cpu slab was full when deactivated */ |