diff options
author | 2015-10-29 22:15:25 +0000 | |
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committer | 2015-10-29 22:15:25 +0000 | |
commit | afc76d554ed517e38d46b6b182a7016406a1323f (patch) | |
tree | 06133cb33a43488837ea67667458e1582f2f40ce /kernel/drivers/infiniband/hw/qib/qib_verbs.c | |
parent | 41f827bfbb10e03c4d228fbcc801dd51fb9983b0 (diff) | |
parent | ec0a2ed6d8a5e555edef907895c041e285fdb495 (diff) |
Merge "These changes are a raw update to a vanilla kernel 4.1.10, with the recently announced rt patch patch-4.1.10-rt10.patch. No further changes needed."
Diffstat (limited to 'kernel/drivers/infiniband/hw/qib/qib_verbs.c')
-rw-r--r-- | kernel/drivers/infiniband/hw/qib/qib_verbs.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/drivers/infiniband/hw/qib/qib_verbs.c b/kernel/drivers/infiniband/hw/qib/qib_verbs.c index 4a3599890..9dd5d9a05 100644 --- a/kernel/drivers/infiniband/hw/qib/qib_verbs.c +++ b/kernel/drivers/infiniband/hw/qib/qib_verbs.c @@ -40,6 +40,7 @@ #include <linux/rculist.h> #include <linux/mm.h> #include <linux/random.h> +#include <linux/vmalloc.h> #include "qib.h" #include "qib_common.h" @@ -2089,10 +2090,16 @@ int qib_register_ib_device(struct qib_devdata *dd) * the LKEY). The remaining bits act as a generation number or tag. */ spin_lock_init(&dev->lk_table.lock); + /* insure generation is at least 4 bits see keys.c */ + if (ib_qib_lkey_table_size > MAX_LKEY_TABLE_BITS) { + qib_dev_warn(dd, "lkey bits %u too large, reduced to %u\n", + ib_qib_lkey_table_size, MAX_LKEY_TABLE_BITS); + ib_qib_lkey_table_size = MAX_LKEY_TABLE_BITS; + } dev->lk_table.max = 1 << ib_qib_lkey_table_size; lk_tab_size = dev->lk_table.max * sizeof(*dev->lk_table.table); dev->lk_table.table = (struct qib_mregion __rcu **) - __get_free_pages(GFP_KERNEL, get_order(lk_tab_size)); + vmalloc(lk_tab_size); if (dev->lk_table.table == NULL) { ret = -ENOMEM; goto err_lk; @@ -2265,7 +2272,7 @@ err_tx: sizeof(struct qib_pio_header), dev->pio_hdrs, dev->pio_hdrs_phys); err_hdrs: - free_pages((unsigned long) dev->lk_table.table, get_order(lk_tab_size)); + vfree(dev->lk_table.table); err_lk: kfree(dev->qp_table); err_qpt: @@ -2319,8 +2326,7 @@ void qib_unregister_ib_device(struct qib_devdata *dd) sizeof(struct qib_pio_header), dev->pio_hdrs, dev->pio_hdrs_phys); lk_tab_size = dev->lk_table.max * sizeof(*dev->lk_table.table); - free_pages((unsigned long) dev->lk_table.table, - get_order(lk_tab_size)); + vfree(dev->lk_table.table); kfree(dev->qp_table); } |