This path replaces physically contiguous memory arrays
allocated using kmalloc_array() with flexible arrays.
This enables to avoid memory allocation failures on the
systems under a memory stress.
Signed-off-by: Oleg Babin
Signed-off-by: Konstantin Khorenko
---
include/net/sctp/structs.h | 9
Each SCTP association can have up to 65535 input and output streams.
For each stream type an array of sctp_stream_in or sctp_stream_out
structures is allocated using kmalloc_array() function. This function
allocates physically contiguous memory regions, so this can lead
to allocation of memory
-by: Konstantin Khorenko
---
v2 changes:
sctp_stream_in() users are updated to provide stream as an argument,
sctp_stream_{in,out}_ptr() are now just sctp_stream_{in,out}().
v3 changes:
Move type chages struct sctp_stream_out -> flex_array to next patch.
Make sctp_stream_{in,out}() sta
On 08/09/2018 11:43 AM, Konstantin Khorenko wrote:
On 08/04/2018 02:36 AM, Marcelo Ricardo Leitner wrote:
On Fri, Aug 03, 2018 at 07:21:00PM +0300, Konstantin Khorenko wrote:
...
Performance results:
* Kernel: v4.18-rc6 - stock and with 2 patches from Oleg (earlier
On 08/04/2018 02:36 AM, Marcelo Ricardo Leitner wrote:
On Fri, Aug 03, 2018 at 07:21:00PM +0300, Konstantin Khorenko wrote:
...
Performance results:
* Kernel: v4.18-rc6 - stock and with 2 patches from Oleg (earlier in this
thread)
* Node: CPU (8 cores): Intel(R) Xeon(R
On 08/03/2018 11:40 PM, Marcelo Ricardo Leitner wrote:
On Fri, Aug 03, 2018 at 07:21:01PM +0300, Konstantin Khorenko wrote:
This patch introduces wrappers for accessing in/out streams indirectly.
This will enable to replace physically contiguous memory arrays
of streams with flexible arrays
On 08/03/2018 10:50 PM, David Miller wrote:
From: Konstantin Khorenko
Date: Fri, 3 Aug 2018 19:21:01 +0300
+struct sctp_stream_out *sctp_stream_out(const struct sctp_stream *stream,
+ __u16 sid)
+{
+ return ((struct sctp_stream_out *)(stream->
-by: Konstantin Khorenko
---
v2 changes:
sctp_stream_in() users are updated to provide stream as an argument,
sctp_stream_{in,out}_ptr() are now just sctp_stream_{in,out}().
---
include/net/sctp/structs.h | 30 +++-
net/sctp/chunk.c | 6 ++-
net/sctp/outqueue.c
This path replaces physically contiguous memory arrays
allocated using kmalloc_array() with flexible arrays.
This enables to avoid memory allocation failures on the
systems under a memory stress.
Signed-off-by: Oleg Babin
---
include/net/sctp/structs.h | 1 +
net/sctp/stream.c | 78
Each SCTP association can have up to 65535 input and output streams.
For each stream type an array of sctp_stream_in or sctp_stream_out
structures is allocated using kmalloc_array() function. This function
allocates physically contiguous memory regions, so this can lead
to allocation of memory
On 04/27/2018 01:28 AM, Marcelo Ricardo Leitner wrote:
> On Fri, Apr 27, 2018 at 01:14:56AM +0300, Oleg Babin wrote:
>> Hi Marcelo,
>>
>> On 04/24/2018 12:33 AM, Marcelo Ricardo Leitner wrote:
>>> Hi,
>>>
>>> On Mon, Apr 23, 2018 at 09:41:04PM +0300, Oleg Babin wrote:
Each SCTP association
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