Re: getifaddrs() and CONFIG_PAGE_SIZE_16KB=y

On Sun, Mar 29, 2015 at 08:08:57PM +0200, nenhard wrote:
> Thanks, here is a workaround.
> Can someone do a proper patch?
> 
> diff -rup a/libc/inet/ifaddrs.c b/libc/inet/ifaddrs.c
> --- a/libc/inet/ifaddrs.c 2012-05-15 09:20:09.000000000 +0200
> +++ b/libc/inet/ifaddrs.c 2015-03-29 15:07:11.528316570 +0200
> @@ -119,7 +119,7 @@ __netlink_request (struct netlink_handle
>  {
>    struct netlink_res *nlm_next;
>    struct netlink_res **new_nlm_list;
> -  static volatile size_t buf_size = 4096;
> +  static volatile size_t buf_size = 16384;

I would get the value from PAGE_SIZE (if defined) or
sysconf(_SC_PAGE_SIZE) or whatever internal method uClibc has for
accessing this rather than hard-coding the larger size, which may be
problematic for extremely small systems that don't need it.

Rich