diff options
| author | Brian Behlendorf <[email protected]> | 2012-09-07 14:24:17 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2012-09-07 14:27:03 -0700 |
| commit | cb5c2acebb86da5b50f099b39209d22845eda8c7 (patch) | |
| tree | e4452589d3accd24b4664b33f227ab59bba7f5f1 /include/sys/kmem.h | |
| parent | ac8ca67a88bdb8be08456785116a8824fba735df (diff) | |
Add KMC_NOEMERGENCY slab flag
Provide a flag to disable the use of emergency objects for a
specific kmem cache. There may be instances where under no
circumstances should you kmalloc() an emergency object. For
example, when you cache contains very large objects (>128k).
Signed-off-by: Brian Behlendorf <[email protected]>
Diffstat (limited to 'include/sys/kmem.h')
| -rw-r--r-- | include/sys/kmem.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/sys/kmem.h b/include/sys/kmem.h index 116d6db0d..0149e754c 100644 --- a/include/sys/kmem.h +++ b/include/sys/kmem.h @@ -340,6 +340,7 @@ enum { KMC_BIT_KMEM = 5, /* Use kmem cache */ KMC_BIT_VMEM = 6, /* Use vmem cache */ KMC_BIT_OFFSLAB = 7, /* Objects not on slab */ + KMC_BIT_NOEMERGENCY = 8, /* Disable emergency objects */ KMC_BIT_GROWING = 15, /* Growing in progress */ KMC_BIT_REAPING = 16, /* Reaping in progress */ KMC_BIT_DESTROY = 17, /* Destroy in progress */ @@ -365,6 +366,7 @@ typedef enum kmem_cbrc { #define KMC_KMEM (1 << KMC_BIT_KMEM) #define KMC_VMEM (1 << KMC_BIT_VMEM) #define KMC_OFFSLAB (1 << KMC_BIT_OFFSLAB) +#define KMC_NOEMERGENCY (1 << KMC_BIT_NOEMERGENCY) #define KMC_GROWING (1 << KMC_BIT_GROWING) #define KMC_REAPING (1 << KMC_BIT_REAPING) #define KMC_DESTROY (1 << KMC_BIT_DESTROY) |