Author: emaste
Date: Tue Jan 20 22:34:38 2009
New Revision: 187496
URL: http://svn.freebsd.org/changeset/base/187496
Log:
MFC r181693:
Fix REDZONE(9) on amd64 and perhaps other 64 bit targets -- ensure the
space that redzone adds to the allocation for storing its metadata is at
least as large as the metadata that it will store there.
PR: kern/128744
Modified:
stable/7/sys/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
stable/7/sys/dev/ath/ath_hal/ (props changed)
stable/7/sys/dev/cxgb/ (props changed)
stable/7/sys/vm/redzone.c
Modified: stable/7/sys/vm/redzone.c
==============================================================================
--- stable/7/sys/vm/redzone.c Tue Jan 20 22:26:09 2009 (r187495)
+++ stable/7/sys/vm/redzone.c Tue Jan 20 22:34:38 2009 (r187496)
@@ -54,6 +54,8 @@ static u_long
redzone_roundup(u_long n)
{
+ if (n < REDZONE_HSIZE)
+ n = REDZONE_HSIZE;
if (n <= 128)
return (128);
else if (n <= 256)
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