Author: glebius
Date: Fri Mar 15 10:15:07 2013
New Revision: 248315
URL: http://svnweb.freebsd.org/changeset/base/248315
Log:
Make m_get2() never use clusters that are bigger than PAGE_SIZE.
Requested by: andre, jhb
Sponsored by: Nginx, Inc.
Modified:
head/sys/kern/uipc_mbuf.c
Modified: head/sys/kern/uipc_mbuf.c
==============================================================================
--- head/sys/kern/uipc_mbuf.c Fri Mar 15 09:19:19 2013 (r248314)
+++ head/sys/kern/uipc_mbuf.c Fri Mar 15 10:15:07 2013 (r248315)
@@ -92,7 +92,6 @@ m_get2(int size, int how, short type, in
{
struct mb_args args;
struct mbuf *m, *n;
- uma_zone_t zone;
args.flags = flags;
args.type = type;
@@ -101,24 +100,15 @@ m_get2(int size, int how, short type, in
return (uma_zalloc_arg(zone_mbuf, &args, how));
if (size <= MCLBYTES)
return (uma_zalloc_arg(zone_pack, &args, how));
- if (size > MJUM16BYTES)
+
+ if (size > MJUMPAGESIZE)
return (NULL);
m = uma_zalloc_arg(zone_mbuf, &args, how);
if (m == NULL)
return (NULL);
-#if MJUMPAGESIZE != MCLBYTES
- if (size <= MJUMPAGESIZE)
- zone = zone_jumbop;
- else
-#endif
- if (size <= MJUM9BYTES)
- zone = zone_jumbo9;
- else
- zone = zone_jumbo16;
-
- n = uma_zalloc_arg(zone, m, how);
+ n = uma_zalloc_arg(zone_jumbop, m, how);
if (n == NULL) {
uma_zfree(zone_mbuf, m);
return (NULL);
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