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Nuke csu_hdr from struct cspace. csu_hdr is not used anywhere in the

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tree. This considerably reduces unnecessary bloat in struct slcompress.

I'm running with this change right now and have seen no negative
side-effects.

On my sytem this reduced kernel BSS by about 25KB.

Submitted by:	bde
Approved by:	brian for user-ppp
This commit is contained in:
Gary Jennejohn 2000-04-03 19:54:33 +00:00
parent 583fdf9862
commit 8810489433
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=58982
2 changed files with 3 additions and 14 deletions
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9
sys/net/slcompress.h
View File

@ -41,7 +41,7 @@
#define _NET_SLCOMPRESS_H_
#define MAX_STATES 16 /* must be > 2 and < 256 */
#define MAX_HDR MLEN /* XXX 4bsd-ism: should really be 128 */
#define MAX_HDR 128
/*
* Compressed packet format:
@ -119,13 +119,8 @@ struct cstate {
u_int16_t cs_hlen; /* size of hdr (receive only) */
u_char cs_id; /* connection # associated with this state */
u_char cs_filler;
union {
char csu_hdr[MAX_HDR];
struct ip csu_ip; /* ip/tcp hdr from most recent packet */
} slcs_u;
struct ip cs_ip; /* ip/tcp hdr from most recent packet */
};
#define cs_ip slcs_u.csu_ip
#define cs_hdr slcs_u.csu_hdr
/*
* all the state data for one serial line (we need one of these

8
usr.sbin/ppp/slcompress.h
View File

@ -102,15 +102,9 @@ struct cstate {
u_short cs_hlen; /* size of hdr (receive only) */
u_char cs_id; /* connection # associated with this state */
u_char cs_filler;
union {
char csu_hdr[MAX_HDR];
struct ip csu_ip; /* ip/tcp hdr from most recent packet */
} slcs_u;
struct ip cs_ip; /* ip/tcp hdr from most recent packet */
};
#define cs_ip slcs_u.csu_ip
#define cs_hdr slcs_u.csu_hdr
/*
* all the state data for one serial line (we need one of these
* per line).