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Remove shrink_{i,d}node_cache() wrappers

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This is optional functionality which may or may not be useful to
ZFS when using older kernels.  It is never a hard requirement.
Therefore this functionality is being removed from the SPL and
a simpler slimmed down version will be added to ZFS.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf
2014-10-01 19:27:29 -04:00
parent 8bbbe46f86
commit 89a461e70c
7 changed files with 15 additions and 268 deletions
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module/spl/spl-kmem.c
-31
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@@ -110,16 +110,6 @@ EXPORT_SYMBOL(zio_alloc_arena);
vmem_t *zio_arena = NULL;
EXPORT_SYMBOL(zio_arena);
#ifndef HAVE_SHRINK_DCACHE_MEMORY
shrink_dcache_memory_t shrink_dcache_memory_fn = SYMBOL_POISON;
EXPORT_SYMBOL(shrink_dcache_memory_fn);
#endif /* HAVE_SHRINK_DCACHE_MEMORY */
#ifndef HAVE_SHRINK_ICACHE_MEMORY
shrink_icache_memory_t shrink_icache_memory_fn = SYMBOL_POISON;
EXPORT_SYMBOL(shrink_icache_memory_fn);
#endif /* HAVE_SHRINK_ICACHE_MEMORY */
size_t
vmem_size(vmem_t *vmp, int typemask)
{
@@ -2316,27 +2306,6 @@ spl_kmem_fini_tracking(struct list_head *list, spinlock_t *lock)
#define spl_kmem_fini_tracking(list, lock)
#endif /* DEBUG_KMEM && DEBUG_KMEM_TRACKING */
/*
* Called at module init when it is safe to use spl_kallsyms_lookup_name()
*/
int
spl_kmem_init_kallsyms_lookup(void)
{
#ifndef HAVE_SHRINK_DCACHE_MEMORY
/* When shrink_dcache_memory_fn == NULL support is disabled */
shrink_dcache_memory_fn = (shrink_dcache_memory_t)
spl_kallsyms_lookup_name("shrink_dcache_memory");
#endif /* HAVE_SHRINK_DCACHE_MEMORY */
#ifndef HAVE_SHRINK_ICACHE_MEMORY
/* When shrink_icache_memory_fn == NULL support is disabled */
shrink_icache_memory_fn = (shrink_icache_memory_t)
spl_kallsyms_lookup_name("shrink_icache_memory");
#endif /* HAVE_SHRINK_ICACHE_MEMORY */
return 0;
}
int
spl_kmem_init(void)
{