/*
* huge_vg_init -- initalizes chunk metadata in memcheck state
*/
static void
huge_vg_init(const struct memory_block *m, int objects,
object_callback cb, void *arg)
{
struct zone *z = ZID_TO_ZONE(m->heap->layout, m->zone_id);
struct chunk_header *hdr = heap_get_chunk_hdr(m->heap, m);
struct chunk *chunk = heap_get_chunk(m->heap, m);
VALGRIND_DO_MAKE_MEM_DEFINED(hdr, sizeof(*hdr));
/*
* Mark unused chunk headers as not accessible.
*/
VALGRIND_DO_MAKE_MEM_NOACCESS(
&z->chunk_headers[m->chunk_id + 1],
(m->size_idx - 1) *
sizeof(struct chunk_header));
size_t size = block_get_real_size(m);
VALGRIND_DO_MAKE_MEM_NOACCESS(chunk, size);
if (objects && huge_get_state(m) == MEMBLOCK_ALLOCATED) {
if (cb(m, arg) != 0)
FATAL("failed to initialize valgrind state");
}
}
/*
* heap_get_adjacent_free_block -- locates adjacent free memory block in heap
*/
int heap_get_adjacent_free_block(PMEMobjpool *pop, struct memory_block *m,
struct memory_block cnt, int prev)
{
struct zone *z = &pop->heap->layout->zones[cnt.zone_id];
struct chunk_header *hdr = &z->chunk_headers[cnt.chunk_id];
m->zone_id = cnt.zone_id;
if (hdr->type == CHUNK_TYPE_RUN) {
m->chunk_id = cnt.chunk_id;
struct chunk_run *r =
(struct chunk_run *)&z->chunks[cnt.chunk_id];
return heap_run_get_block(pop, r, m, cnt.size_idx,
cnt.block_off, prev);
} else {
return heap_get_chunk(pop, z, hdr, m, cnt.chunk_id, prev);
}
}
/*
* huge_get_real_data -- returns pointer to the beginning data of a huge block
*/
static void *
huge_get_real_data(const struct memory_block *m)
{
return heap_get_chunk(m->heap, m)->data;
}