Author: bz
Date: Wed Aug 18 09:28:12 2010
New Revision: 211451
URL: http://svn.freebsd.org/changeset/base/211451
Log:
When calculating the expected memory size for userspace, also take the
number of syncache entries into account for the surplus we add to account
for a possible increase of records in the re-entry window.
Discussed with: jhb, silby
MFC after: 1 week
Modified:
head/sys/netinet/tcp_subr.c
Modified: head/sys/netinet/tcp_subr.c
==============================================================================
--- head/sys/netinet/tcp_subr.c Wed Aug 18 09:18:37 2010 (r211450)
+++ head/sys/netinet/tcp_subr.c Wed Aug 18 09:28:12 2010 (r211451)
@@ -1022,7 +1022,7 @@ tcp_pcblist(SYSCTL_HANDLER_ARGS)
if (req->oldptr == NULL) {
m = syncache_pcbcount();
n = V_tcbinfo.ipi_count;
- n += imax(n / 8, 10);
+ n += imax((m + n) / 8, 10);
req->oldidx = 2 * (sizeof xig) +
(m + n) * sizeof(struct xtcpcb);
return (0);
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