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HFI1: disable kmalloc cache for req->tids (AllReduce fails otherwise)

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This commit is contained in:
Balazs Gerofi
2017-08-23 10:18:48 +09:00
parent abdbf96254
commit 5353b11f90
1 changed files with 6 additions and 4 deletions
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10
kernel/user_sdma.c
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@ -1022,8 +1022,9 @@ int hfi1_user_sdma_process_request(void *private_data, struct iovec *iovec,
ret = -EINVAL;
goto free_req;
}
req->tids = kmalloc_cache_alloc(&tids_cache,
sizeof(*req->tids) * MAX_TID_PAIR_ENTRIES);
//req->tids = kmalloc_cache_alloc(&tids_cache,
// sizeof(*req->tids) * MAX_TID_PAIR_ENTRIES);
req->tids = kcalloc(ntids, sizeof(*req->tids), GFP_KERNEL);
if (!req->tids) {
ret = -ENOMEM;
goto free_req;
@ -1128,7 +1129,7 @@ int hfi1_user_sdma_process_request(void *private_data, struct iovec *iovec,
{
unsigned long ts = rdtsc();
while (pq->state != SDMA_PKT_Q_ACTIVE) cpu_pause();
kprintf("%s: waited %lu cycles for SDMA_PKT_Q_ACTIVE\n",
SDMA_DBG("%s: waited %lu cycles for SDMA_PKT_Q_ACTIVE\n",
__FUNCTION__, rdtsc() - ts);
}
TP("- polling while(pq->state != SDMA_PKT_Q_ACTIVE)");
@ -2066,7 +2067,8 @@ static void user_sdma_free_request(struct user_sdma_request *req, bool unpin)
#endif /* __HFI1_ORIG__ */
}
}
kmalloc_cache_free(&tids_cache, req->tids);
//kmalloc_cache_free(&tids_cache, req->tids);
kfree(req->tids);
clear_bit(req->info.comp_idx, req->pq->req_in_use);
hfi1_cdbg(AIOWRITE, "-");
}