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Remove KMC_NOTOUCH 

Remove dead code to make the implementation easier to understand.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Ahrens <matt@delphix.com>
Closes #10650
This commit is contained in:
Matthew Ahrens 2020-07-30 13:43:18 -07:00 committed by Brian Behlendorf
parent 492db125dc
commit f68af67a0c
4 changed files with 1 additions and 5 deletions
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1
include/os/freebsd/spl/sys/kmem.h
View File

@ -49,7 +49,6 @@ MALLOC_DECLARE(M_SOLARIS);
#define KM_NODEBUG M_NODUMP
#define KM_NORMALPRI 0
#define KMC_NODEBUG UMA_ZONE_NODUMP
#define KMC_NOTOUCH 0
typedef struct vmem vmem_t;

2
include/os/linux/spl/sys/kmem_cache.h
View File

@ -36,7 +36,6 @@
* destructors which the Linux slab does not.
*/
typedef enum kmc_bit {
KMC_BIT_NOTOUCH = 0, /* Don't update ages */
KMC_BIT_NODEBUG = 1, /* Default behavior */
KMC_BIT_NOMAGAZINE = 2, /* XXX: Unsupported */
KMC_BIT_NOHASH = 3, /* XXX: Unsupported */
@ -63,7 +62,6 @@ typedef enum kmem_cbrc {
KMEM_CBRC_DONT_KNOW = 4, /* Object unknown */
} kmem_cbrc_t;
#define KMC_NOTOUCH (1 << KMC_BIT_NOTOUCH)
#define KMC_NODEBUG (1 << KMC_BIT_NODEBUG)
#define KMC_NOMAGAZINE (1 << KMC_BIT_NOMAGAZINE)
#define KMC_NOHASH (1 << KMC_BIT_NOHASH)

2
module/os/freebsd/zfs/abd_os.c
View File

@ -275,7 +275,7 @@ void
abd_init(void)
{
abd_chunk_cache = kmem_cache_create("abd_chunk", zfs_abd_chunk_size, 0,
NULL, NULL, NULL, NULL, 0, KMC_NOTOUCH | KMC_NODEBUG);
NULL, NULL, NULL, NULL, 0, KMC_NODEBUG);
abd_ksp = kstat_create("zfs", 0, "abdstats", "misc", KSTAT_TYPE_NAMED,
sizeof (abd_stats) / sizeof (kstat_named_t), KSTAT_FLAG_VIRTUAL);

1
module/os/linux/spl/spl-kmem-cache.c
View File

@ -720,7 +720,6 @@ spl_magazine_destroy(spl_kmem_cache_t *skc)
* KMC_VMEM Force SPL vmem backed cache
* KMC_KVMEM Force kvmem backed SPL cache
* KMC_SLAB Force Linux slab backed cache
* KMC_NOTOUCH Disable cache object aging (unsupported)
* KMC_NODEBUG Disable debugging (unsupported)
* KMC_NOHASH Disable hashing (unsupported)
* KMC_QCACHE Disable qcache (unsupported)