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| author | glebius <glebius@FreeBSD.org> | 2011-10-21 13:54:17 +0000 |
|---|---|---|
| committer | glebius <glebius@FreeBSD.org> | 2011-10-21 13:54:17 +0000 |
| commit | 885aceb259e9d7fbc8faab60e939823a6bfb78e3 (patch) | |
| tree | 48b229fde72406987461fa94ff5dfb1fa2690224 /share/man/man9 | |
| parent | 146967da958e7b2151e8985c90533e943bf334f0 (diff) | |
| download | FreeBSD-src-885aceb259e9d7fbc8faab60e939823a6bfb78e3.zip FreeBSD-src-885aceb259e9d7fbc8faab60e939823a6bfb78e3.tar.gz | |
Note that it is still not possible to guard special kind of allocations, those
that have special relationships with uma(9). Currently only mbuf clusters.
Diffstat (limited to 'share/man/man9')
| -rw-r--r-- | share/man/man9/memguard.9 | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/share/man/man9/memguard.9 b/share/man/man9/memguard.9 index 5c17148..99ce7de 100644 --- a/share/man/man9/memguard.9 +++ b/share/man/man9/memguard.9 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd October 12, 2011 +.Dd October 21, 2011 .Dt MEMGUARD 9 .Os .Sh NAME @@ -204,3 +204,17 @@ Additions have been made by and .An Gleb Smirnoff Aq glebius@FreeBSD.org to both the implementation and the documentation. +.Sh BUGS +It is not possible to guard allocations that really expect theirselves to be +allocated from +.Xr uma 9 , +utilizing additional interfaces apart from +.Fn uma_zalloc +and +.Fn uma_free , +for example +.Fn uma_find_refcnt . +For the moment of writing only +.Xr mbuf 9 +cluster zones belong to that kind of allocations. +Attempt to guard them would lead to kernel panic. |
