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#include "jemalloc/internal/jemalloc_preamble.h"
#include "jemalloc/internal/jemalloc_internal_includes.h"
#include "jemalloc/internal/hpa_utils.h"
void
hpa_purge_batch(hpa_hooks_t *hooks, hpa_purge_item_t *batch, size_t batch_sz) {
assert(batch_sz > 0);
size_t len = hpa_process_madvise_max_iovec_len();
VARIABLE_ARRAY(hpa_io_vector_t, vec, len);
hpa_range_accum_t accum;
hpa_range_accum_init(&accum, vec, len);
for (size_t i = 0; i < batch_sz; ++i) {
/* Actually do the purging, now that the lock is dropped. */
if (batch[i].dehugify) {
hooks->dehugify(hpdata_addr_get(batch[i].hp), HUGEPAGE);
}
void *purge_addr;
size_t purge_size;
size_t total_purged_on_one_hp = 0;
while (hpdata_purge_next(
batch[i].hp, &batch[i].state, &purge_addr, &purge_size)) {
total_purged_on_one_hp += purge_size;
assert(total_purged_on_one_hp <= HUGEPAGE);
hpa_range_accum_add(
&accum, purge_addr, purge_size, hooks);
}
}
hpa_range_accum_finish(&accum, hooks);
}
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