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kernel: Remove z_mem_pool wrapper internals

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These implemented a k_mem_pool in terms of the now universal k_heap
utility.  That's no longer necessary now that the k_mem_pool API has
been removed.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
This commit is contained in:
Andy Ross 2020-12-07 10:00:06 -08:00 committed by Anas Nashif
parent 9028ba5e27
commit 3c2c1d85b0
4 changed files with 0 additions and 67 deletions
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6
include/kernel.h
View file

@ -661,12 +661,6 @@ static inline void k_thread_heap_assign(struct k_thread *thread,
thread->resource_pool = heap;
}
static inline void z_thread_resource_pool_assign(struct k_thread *thread,
struct k_mem_pool *pool)
{
k_thread_heap_assign(thread, pool ? pool->heap : NULL);
}
#if defined(CONFIG_INIT_STACKS) && defined(CONFIG_THREAD_STACK_INFO)
/**
* @brief Obtain stack usage information for the specified thread

25
include/mempool_heap.h
View file

@ -27,29 +27,4 @@ struct k_mem_block {
};
};
struct k_mem_pool {
struct k_heap *heap;
};
/* Sizing is a heuristic, as k_mem_pool made promises about layout
* that k_heap does not. We make space for the number of maximum
* objects defined, and include extra so there's enough metadata space
* available for the maximum number of minimum-sized objects to be
* stored: 8 bytes for each desired chunk header, and a 15 word block
* to reserve room for a "typical" set of bucket list heads and the heap
* footer(this size was picked more to conform with existing test
* expectations than any rigorous theory -- we have tests that rely on being
* able to allocate the blocks promised and ones that make assumptions about
* when memory will run out).
*/
#define Z_MEM_POOL_DEFINE(name, minsz, maxsz, nmax, align) \
K_HEAP_DEFINE(poolheap_##name, \
((maxsz) * (nmax)) \
+ 8 * ((maxsz) * (nmax) / (minsz)) \
+ 15 * sizeof(void *)); \
struct k_mem_pool name = { \
.heap = &poolheap_##name \
}
#endif /* ZEPHYR_INCLUDE_MEMPOOL_HEAP_H_ */

25
kernel/kheap.c
View file

@ -63,28 +63,3 @@ void k_heap_free(struct k_heap *h, void *mem)
k_spin_unlock(&h->lock, key);
}
}
/* Compatibility layer for legacy k_mem_pool code on top of a k_heap
* backend.
*/
int z_mem_pool_alloc(struct k_mem_pool *p, struct k_mem_block *block,
size_t size, k_timeout_t timeout)
{
block->id.heap = p->heap;
block->data = k_heap_alloc(p->heap, size, timeout);
/* The legacy API returns -EAGAIN on timeout expiration, but
* -ENOMEM if the timeout was K_NO_WAIT. Don't ask.
*/
if (size != 0 && block->data == NULL) {
return K_TIMEOUT_EQ(timeout, K_NO_WAIT) ? -ENOMEM : -EAGAIN;
} else {
return 0;
}
}
void z_mem_pool_free_id(struct k_mem_block_id *id)
{
k_heap_free(id->heap, id->data);
}

11
kernel/mempool.c
View file

@ -8,11 +8,6 @@
#include <string.h>
#include <sys/math_extras.h>
void z_mem_pool_free(struct k_mem_block *block)
{
z_mem_pool_free_id(&block->id);
}
void *z_heap_malloc(struct k_heap *heap, size_t size)
{
/*
@ -34,12 +29,6 @@ void *z_heap_malloc(struct k_heap *heap, size_t size)
/* return address of the user area part of the block to the caller */
return (char *)&blk[1];
}
void *z_mem_pool_malloc(struct k_mem_pool *pool, size_t size)
{
return z_heap_malloc(pool->heap, size);
}
void k_free(void *ptr)