diff options
| author | bmilekic <bmilekic@FreeBSD.org> | 2000-10-08 03:52:27 +0000 |
|---|---|---|
| committer | bmilekic <bmilekic@FreeBSD.org> | 2000-10-08 03:52:27 +0000 |
| commit | 003596e09842fe00c72052b07fb5a0f0e5fac8f0 (patch) | |
| tree | 70cad3956bb02ab8d771a67ff83f154c3ca0686a /sys/i386/include/param.h | |
| parent | 90447d2ee78c3d0cd03cbe5a31ab1929f48c5131 (diff) | |
| download | FreeBSD-src-003596e09842fe00c72052b07fb5a0f0e5fac8f0.zip FreeBSD-src-003596e09842fe00c72052b07fb5a0f0e5fac8f0.tar.gz | |
Cleanup comment in machine/param.h regarding mbuf-related sizes, and get rid
of MCLOFSET, which does not appear to be used anywhere anymore, and if it is,
it probably shouldn't be.
Diffstat (limited to 'sys/i386/include/param.h')
| -rw-r--r-- | sys/i386/include/param.h | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/sys/i386/include/param.h b/sys/i386/include/param.h index cc6d991..bac527e 100644 --- a/sys/i386/include/param.h +++ b/sys/i386/include/param.h @@ -102,20 +102,16 @@ /* * Constants related to network buffer management. - * MCLBYTES must be no larger than CLBYTES (the software page size), and, - * on machines that exchange pages of input or output buffers with mbuf - * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple - * of the hardware page size. + * MCLBYTES must be no larger than PAGE_SIZE. */ #ifndef MSIZE #define MSIZE 256 /* size of an mbuf */ #endif /* MSIZE */ #ifndef MCLSHIFT -#define MCLSHIFT 11 /* convert bytes to m_buf clusters */ +#define MCLSHIFT 11 /* convert bytes to mbuf clusters */ #endif /* MCLSHIFT */ -#define MCLBYTES (1 << MCLSHIFT) /* size of an m_buf cluster */ -#define MCLOFSET (MCLBYTES - 1) /* offset within an m_buf cluster */ +#define MCLBYTES (1 << MCLSHIFT) /* size of an mbuf cluster */ /* * Some macros for units conversion |
