diff options
Diffstat (limited to 'drivers/lightnvm/core.c')
| -rw-r--r-- | drivers/lightnvm/core.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 69b841d682c7..5f82036fe322 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -1140,7 +1140,7 @@ EXPORT_SYMBOL(nvm_alloc_dev); int nvm_register(struct nvm_dev *dev) { - int ret; + int ret, exp_pool_size; if (!dev->q || !dev->ops) return -EINVAL; @@ -1149,7 +1149,12 @@ int nvm_register(struct nvm_dev *dev) if (ret) return ret; - dev->dma_pool = dev->ops->create_dma_pool(dev, "ppalist"); + exp_pool_size = max_t(int, PAGE_SIZE, + (NVM_MAX_VLBA * (sizeof(u64) + dev->geo.sos))); + exp_pool_size = round_up(exp_pool_size, PAGE_SIZE); + + dev->dma_pool = dev->ops->create_dma_pool(dev, "ppalist", + exp_pool_size); if (!dev->dma_pool) { pr_err("nvm: could not create dma pool\n"); nvm_free(dev); |