On Sat, Apr 03, 2021 at 04:53:55AM +0000, Praveen Kumar Kannoju wrote: > To update xlt (during mlx5_ib_reg_user_mr()), the driver can request up to > 1 MB (order-8) memory, depending on the size of the MR. This costly > allocation can sometimes take very long to return (a few seconds). This > causes the calling application to hang for a long time, especially when the > system is fragmented. To avoid these long latency spikes, the calls the > higher order allocations need to fail faster in case they are not > available. In order to acheive this we need __GFP_NORETRY flag in the > gfp_mask before during fetching the free pages. This patch adds this flag > to the mask. > > Signed-off-by: Praveen Kumar Kannoju <praveen.kann...@oracle.com> > --- > drivers/infiniband/hw/mlx5/mr.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >
Thanks a lot, Acked-by: Leon Romanovsky <leo...@nvidia.com>
