}
static void *
-mp_new_big_chunk(uns size)
+mp_new_big_chunk(struct mempool *pool, uns size)
{
struct mempool_chunk *chunk;
chunk = xmalloc(size + MP_CHUNK_TAIL) + size;
chunk->size = size;
+ if (pool)
+ pool->total_size += size + MP_CHUNK_TAIL;
return chunk;
}
static void
-mp_free_big_chunk(struct mempool_chunk *chunk)
+mp_free_big_chunk(struct mempool *pool, struct mempool_chunk *chunk)
{
+ pool->total_size -= chunk->size + MP_CHUNK_TAIL;
xfree((void *)chunk - chunk->size);
}
static void *
-mp_new_chunk(uns size)
+mp_new_chunk(struct mempool *pool, uns size)
{
#ifdef CONFIG_UCW_POOL_IS_MMAP
struct mempool_chunk *chunk;
chunk = page_alloc(size + MP_CHUNK_TAIL) + size;
chunk->size = size;
+ if (pool)
+ pool->total_size += size + MP_CHUNK_TAIL;
return chunk;
#else
- return mp_new_big_chunk(size);
+ return mp_new_big_chunk(pool, size);
#endif
}
static void
-mp_free_chunk(struct mempool_chunk *chunk)
+mp_free_chunk(struct mempool *pool, struct mempool_chunk *chunk)
{
#ifdef CONFIG_UCW_POOL_IS_MMAP
+ pool->total_size -= chunk->size + MP_CHUNK_TAIL;
page_free((void *)chunk - chunk->size, chunk->size + MP_CHUNK_TAIL);
#else
- mp_free_big_chunk(chunk);
+ mp_free_big_chunk(pool, chunk);
#endif
}
mp_new(uns chunk_size)
{
chunk_size = mp_align_size(MAX(sizeof(struct mempool), chunk_size));
- struct mempool_chunk *chunk = mp_new_chunk(chunk_size);
+ struct mempool_chunk *chunk = mp_new_chunk(NULL, chunk_size);
struct mempool *pool = (void *)chunk - chunk_size;
DBG("Creating mempool %p with %u bytes long chunks", pool, chunk_size);
chunk->next = NULL;
.state = { .free = { chunk_size - sizeof(*pool) }, .last = { chunk } },
.chunk_size = chunk_size,
.threshold = chunk_size >> 1,
- .last_big = &pool->last_big };
+ .last_big = &pool->last_big,
+ .total_size = chunk->size + MP_CHUNK_TAIL,
+ };
return pool;
}
static void
-mp_free_chain(struct mempool_chunk *chunk)
+mp_free_chain(struct mempool *pool, struct mempool_chunk *chunk)
{
while (chunk)
{
struct mempool_chunk *next = chunk->next;
- mp_free_chunk(chunk);
+ mp_free_chunk(pool, chunk);
chunk = next;
}
}
static void
-mp_free_big_chain(struct mempool_chunk *chunk)
+mp_free_big_chain(struct mempool *pool, struct mempool_chunk *chunk)
{
while (chunk)
{
struct mempool_chunk *next = chunk->next;
- mp_free_big_chunk(chunk);
+ mp_free_big_chunk(pool, chunk);
chunk = next;
}
}
mp_delete(struct mempool *pool)
{
DBG("Deleting mempool %p", pool);
- mp_free_big_chain(pool->state.last[1]);
- mp_free_chain(pool->unused);
- mp_free_chain(pool->state.last[0]); // can contain the mempool structure
+ mp_free_big_chain(pool, pool->state.last[1]);
+ mp_free_chain(pool, pool->unused);
+ mp_free_chain(pool, pool->state.last[0]); // can contain the mempool structure
}
void
mp_flush(struct mempool *pool)
{
- mp_free_big_chain(pool->state.last[1]);
+ mp_free_big_chain(pool, pool->state.last[1]);
struct mempool_chunk *chunk, *next;
for (chunk = pool->state.last[0]; chunk && (void *)chunk - chunk->size != pool; chunk = next)
{
{
while (chunk)
{
- stats->chain_size[idx] += chunk->size + sizeof(*chunk);
+ stats->chain_size[idx] += chunk->size + MP_CHUNK_TAIL;
stats->chain_count[idx]++;
chunk = chunk->next;
}
mp_stats_chain(pool->state.last[0], stats, 0);
mp_stats_chain(pool->state.last[1], stats, 1);
mp_stats_chain(pool->unused, stats, 2);
+ ASSERT(stats->total_size == pool->total_size);
}
u64
mp_total_size(struct mempool *pool)
{
- struct mempool_stats stats;
- mp_stats(pool, &stats);
- return stats.total_size;
+ return pool->total_size;
}
void *
}
else
{
- chunk = mp_new_chunk(pool->chunk_size);
+ chunk = mp_new_chunk(pool, pool->chunk_size);
#ifdef CONFIG_DEBUG
chunk->pool = pool;
#endif
{
pool->idx = 1;
uns aligned = ALIGN_TO(size, CPU_STRUCT_ALIGN);
- chunk = mp_new_big_chunk(aligned);
+ chunk = mp_new_big_chunk(pool, aligned);
chunk->next = pool->state.last[1];
#ifdef CONFIG_DEBUG
chunk->pool = pool;
amortized = MAX(amortized, size);
amortized = ALIGN_TO(amortized, CPU_STRUCT_ALIGN);
struct mempool_chunk *chunk = pool->state.last[1], *next = chunk->next;
+ pool->total_size = pool->total_size - chunk->size + amortized;
ptr = xrealloc(ptr, amortized + MP_CHUNK_TAIL);
chunk = ptr + amortized;
chunk->next = next;
for (chunk = pool->state.last[1]; chunk != s.last[1]; chunk = next)
{
next = chunk->next;
- mp_free_big_chunk(chunk);
+ mp_free_big_chunk(pool, chunk);
}
pool->state = s;
pool->last_big = &pool->last_big;
}
else if (can_realloc && n && (r -= 5) < 0)
ASSERT(mp_size(mp, ptr[n - 1]) == len[n - 1]);
+ else
+ {
+ struct mempool_stats stats;
+ mp_stats(mp, &stats);
+ }
}
mp_delete(mp);