On Tue, 12 Feb 2019 17:58:41 -0800
Eric Dumazet <[email protected]> wrote:
> In the past, we tried to increase the buffer size up to 32 KB in order
> to reduce number of syscalls per dump.
>
> Commit 2d34851cd341 ("lib/libnetlink: re malloc buff if size is not enough")
> brought the size back to 4KB because the kernel can not know the application
> is ready to receive bigger requests.
>
> See kernel commits 9063e21fb026 ("netlink: autosize skb lengthes") and
> d35c99ff77ec ("netlink: do not enter direct reclaim from netlink_dump()")
> for more details.
>
> Fixes: 2d34851cd341 ("lib/libnetlink: re malloc buff if size is not enough")
> Signed-off-by: Eric Dumazet <[email protected]>
> Cc: Hangbin Liu <[email protected]>
> Cc: Phil Sutter <[email protected]>
Applied, although maybe we should bump it to 64K or bigger?
