Created
September 16, 2018 10:12
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void slabs_init(const size_t limit, const double factor, const bool prealloc, const uint32_t *slab_sizes) { | |
int i = POWER_SMALLEST /* scr: 1 */ - 1; | |
unsigned int size = sizeof(item) + settings.chunk_size; // scr: ---------> b 1) | |
... | |
memset(slabclass, 0, sizeof(slabclass)); | |
while (++i < MAX_NUMBER_OF_SLAB_CLASSES-1) { | |
if (slab_sizes != NULL) { // scr: -----------------------------------> a 1) | |
if (slab_sizes[i-1] == 0) | |
break; | |
size = slab_sizes[i-1]; | |
} else if (size >= settings.item_size_max / factor) { | |
break; | |
} | |
/* Make sure items are always n-byte aligned */ | |
if (size % CHUNK_ALIGN_BYTES) // scr: ---------------------------------> 2) | |
size += CHUNK_ALIGN_BYTES - (size % CHUNK_ALIGN_BYTES); | |
slabclass[i].size = size; | |
slabclass[i].perslab = settings.item_size_max / slabclass[i].size; // -> 3) | |
if (slab_sizes == NULL) | |
size *= factor; // scr: -----------------------------------------> b 4) | |
if (settings.verbose > 1) { | |
fprintf(stderr, "slab class %3d: chunk size %9u perslab %7u\n", | |
i, slabclass[i].size, slabclass[i].perslab); | |
} | |
} | |
// scr: -------------------------------------------------------------------> 5) | |
power_largest = i; | |
slabclass[power_largest].size = settings.item_size_max; | |
slabclass[power_largest].perslab = 1; | |
... | |
} |
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