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MTX_POOL(9): Disable unused mutex pools

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This commit is contained in:
Sebastian Huber
2013-10-31 11:49:14 +01:00
parent 44de29b285
commit 902170b2c1
1 changed files with 8 additions and 0 deletions
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8
freebsd/sys/kern/kern_mtxpool.c
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@@ -80,18 +80,22 @@ struct mtx_pool {
struct mtx mtx_pool_ary[1];
};
#ifndef __rtems__
static struct mtx_pool_lockbuilder {
struct mtxpool_header mtx_pool_header;
struct mtx mtx_pool_ary[MTX_POOL_LOCKBUILDER_SIZE];
} lockbuilder_pool;
#endif /* __rtems__ */
#define mtx_pool_size mtx_pool_header.mtxpool_size
#define mtx_pool_mask mtx_pool_header.mtxpool_mask
#define mtx_pool_shift mtx_pool_header.mtxpool_shift
#define mtx_pool_next mtx_pool_header.mtxpool_next
#ifndef __rtems__
struct mtx_pool *mtxpool_sleep;
struct mtx_pool *mtxpool_lockbuilder;
#endif /* __rtems__ */
#if UINTPTR_MAX == UINT64_MAX /* 64 bits */
# define POINTER_BITS 64
@@ -167,6 +171,7 @@ mtx_pool_destroy(struct mtx_pool **poolp)
*poolp = NULL;
}
#ifndef __rtems__
static void
mtx_pool_setup_static(void *dummy __unused)
{
@@ -182,6 +187,7 @@ mtx_pool_setup_dynamic(void *dummy __unused)
mtxpool_sleep = mtx_pool_create("sleep mtxpool",
MTX_POOL_SLEEP_SIZE, MTX_DEF);
}
#endif /* __rtems__ */
/*
* Obtain a (shared) mutex from the pool. The returned mutex is a leaf
@@ -204,6 +210,7 @@ mtx_pool_alloc(struct mtx_pool *pool)
return (&pool->mtx_pool_ary[i]);
}
#ifndef __rtems__
/*
* The lockbuilder pool must be initialized early because the lockmgr
* and sx locks depend on it. The sx locks are used in the kernel
@@ -218,3 +225,4 @@ SYSINIT(mtxpooli1, SI_SUB_MTX_POOL_STATIC, SI_ORDER_FIRST,
mtx_pool_setup_static, NULL);
SYSINIT(mtxpooli2, SI_SUB_MTX_POOL_DYNAMIC, SI_ORDER_FIRST,
mtx_pool_setup_dynamic, NULL);
#endif /* __rtems__ */