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| author |   wangyugui <wangyugui@e16-tech.com> | 2021-10-19 08:26:56 +0800 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-10-20 19:56:42 -0300 |
| commit | 911a81c9c7092bfd75432ce79b2ef879127ea065 (patch) | |
| tree | 8d24e60f92993d09bf3767a81f4fe8cc2f028bbe /drivers/infiniband/hw | |
| parent | RDMA/irdma: Make irdma_uk_cq_init() return a void (diff) | |
| download | linux-dev-911a81c9c7092bfd75432ce79b2ef879127ea065.tar.xz linux-dev-911a81c9c7092bfd75432ce79b2ef879127ea065.zip | |
RDMA/core: Use kvzalloc when allocating the struct ib_port
The 'struct attribute' flex array contains some struct lock_class_key's
which become big when lockdep is turned on. Big enough that some drivers
will not load when CONFIG_PROVE_LOCKING=y because they cannot allocate
enough memory:
WARNING: CPU: 36 PID: 8 at mm/page_alloc.c:5350 __alloc_pages+0x27e/0x3e0
Call Trace:
kmalloc_order+0x2a/0xb0
kmalloc_order_trace+0x19/0xf0
__kmalloc+0x231/0x270
ib_setup_port_attrs+0xd8/0x870 [ib_core]
ib_register_device+0x419/0x4e0 [ib_core]
bnxt_re_task+0x208/0x2d0 [bnxt_re]
Link: https://lore.kernel.org/r/20211019002656.17745-1-wangyugui@e16-tech.com
Signed-off-by: wangyugui <wangyugui@e16-tech.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw')
0 files changed, 0 insertions, 0 deletions