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9b17f5884b
linux/net/rds
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Ka-Cheong Poon 9b17f5884b net/rds: Use DMA memory pool allocation for rds_header 
Currently, RDS calls ib_dma_alloc_coherent() to allocate a large piece
of contiguous DMA coherent memory to store struct rds_header for
sending/receiving packets.  The memory allocated is then partitioned
into struct rds_header.  This is not necessary and can be costly at
times when memory is fragmented.  Instead, RDS should use the DMA
memory pool interface to handle this.  The DMA addresses of the pre-
allocated headers are stored in an array.  At send/receive ring
initialization and refill time, this arrary is de-referenced to get
the DMA addresses.  This array is not accessed at send/receive packet
processing.

Suggested-by: Håkon Bugge <haakon.bugge@oracle.com>
Signed-off-by: Ka-Cheong Poon <ka-cheong.poon@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-03 12:11:08 -07:00
..
af_rds.c Convert usage of IN_MULTICAST to ipv4_is_multicast 2019-09-05 09:38:32 +02:00
bind.c net/rds: Check laddr_check before calling it 2019-09-27 12:10:55 +02:00
cong.c rds: Changing IP address internal representation to struct in6_addr 2018-07-23 21:17:44 -07:00
connection.c rds: Return proper "tos" value to user-space 2019-07-09 21:45:42 -07:00
ib_cm.c net/rds: Use DMA memory pool allocation for rds_header 2019-10-03 12:11:08 -07:00
ib_fmr.c net: rds: exchange of 8K and 1M pool 2019-04-24 12:07:08 -07:00
ib_frmr.c net/rds: Keep track of and wait for FRWR segments in use upon shutdown 2019-07-17 12:06:52 -07:00
ib_mr.h net/rds: Wait for the FRMR_IS_FREE (or FRMR_IS_STALE) transition after posting IB_WR_LOCAL_INV 2019-07-17 12:06:52 -07:00
ib_rdma.c net/rds: Fix NULL/ERR_PTR inconsistency 2019-07-17 12:06:52 -07:00
ib_recv.c net/rds: Use DMA memory pool allocation for rds_header 2019-10-03 12:11:08 -07:00
ib_ring.c
ib_send.c net/rds: Use DMA memory pool allocation for rds_header 2019-10-03 12:11:08 -07:00
ib_stats.c net/rds: Fix 'ib_evt_handler_call' element in 'rds_ib_stat_names' 2019-09-15 20:56:19 +02:00
ib_sysctl.c
ib.c net/rds: Use DMA memory pool allocation for rds_header 2019-10-03 12:11:08 -07:00
ib.h net/rds: Use DMA memory pool allocation for rds_header 2019-10-03 12:11:08 -07:00
info.c mm/gup: change GUP fast to use flags rather than a write 'bool' 2019-05-14 09:47:46 -07:00
info.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig net: Fix Kconfig indentation 2019-09-26 08:56:17 +02:00
loop.c rds: Changing IP address internal representation to struct in6_addr 2018-07-23 21:17:44 -07:00
loop.h rds: clean up loopback rds_connections on netns deletion 2018-06-27 10:11:03 +09:00
Makefile rds: remove trailing whitespace and blank lines 2018-07-24 14:10:42 -07:00
message.c rds: use DIV_ROUND_UP instead of ceil 2019-01-07 07:22:36 -08:00
page.c rds: remove dead code 2016-12-26 21:35:39 -05:00
rdma_transport.c net: rds: add service level support in rds-info 2019-08-24 16:55:25 -07:00
rdma_transport.h rds: rdma: add consumer reject 2019-02-04 14:59:11 -08:00
rdma.c rds: fix reordering with composite message notification 2019-07-09 21:45:41 -07:00
rds_single_path.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rds.h net/rds: Whitelist rdma_cookie and rx_tstamp for usercopy 2019-08-23 14:55:52 -07:00
recv.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-02 11:20:17 -07:00
send.c Convert usage of IN_MULTICAST to ipv4_is_multicast 2019-09-05 09:38:32 +02:00
stats.c rds: check for excessive looping in rds_send_xmit 2019-08-15 12:04:24 -07:00
sysctl.c net: rds: fix coding style issues 2016-06-18 21:34:09 -07:00
tcp_connect.c rds: Enable RDS IPv6 support 2018-07-23 21:17:44 -07:00
tcp_listen.c rds: add type of service(tos) infrastructure 2019-02-04 14:59:12 -08:00
tcp_recv.c rds: Changing IP address internal representation to struct in6_addr 2018-07-23 21:17:44 -07:00
tcp_send.c rds: Changing IP address internal representation to struct in6_addr 2018-07-23 21:17:44 -07:00
tcp_stats.c
tcp.c net: rds: fix spelling mistake "syctl" -> "sysctl" 2019-05-05 10:19:43 -07:00
tcp.h rds: Enable RDS IPv6 support 2018-07-23 21:17:44 -07:00
threads.c rds: make v3.1 as compat version 2019-02-04 14:59:11 -08:00
transport.c rds: remove trailing whitespace and blank lines 2018-07-24 14:10:42 -07:00