Module name: mbuf
Committed by: pcahyna
Date: Tue Aug 8 15:12:34 UTC 2006
Modified Files:
mbuf/userland/mbuf_impl: uipc_mbuf.c uipc_mbuf2.c
mbuf/userland/mbuf_impl/sys: mbuf.h
Log Message:
Add a m_contig member to struct mbuf, which describes how much data is
guaranteed to be contiguous. Add macros to manipulate m_data and m_len,
which take care of updating m_contig. (If m_data and m_len are manipulated
directly, nothing bad happens, only it may happen that a contiguous region
is created when not necessary.)
Adapt the mbuf routines to those macros.
Adapt m_pulldown0 (the backend for mptr* and m_pulldown) to respect
m_contig.
To generate a diff of this commit:
cvs -z3 rdiff -u -r1.2 -r1.3 mbuf/userland/mbuf_impl/uipc_mbuf.c
cvs -z3 rdiff -u -r1.3 -r1.4 mbuf/userland/mbuf_impl/uipc_mbuf2.c
cvs -z3 rdiff -u -r1.5 -r1.6 mbuf/userland/mbuf_impl/sys/mbuf.h
To view a diff of this commit:
http://cvs.sourceforge.net/viewcvs.py/netbsd-soc/mbuf/userland/mbuf_impl/uipc_mbuf.c?r1=1.2&r2=1.3
http://cvs.sourceforge.net/viewcvs.py/netbsd-soc/mbuf/userland/mbuf_impl/uipc_mbuf2.c?r1=1.3&r2=1.4
http://cvs.sourceforge.net/viewcvs.py/netbsd-soc/mbuf/userland/mbuf_impl/sys/mbuf.h?r1=1.5&r2=1.6
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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