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decrease amount of history buffer to use for IPcomp. 

the default setting of zlib allocates too much memory and of no use for
network packets (which are like < 2k).

From: Laine Stump <lainestump@rcn.com>
This commit is contained in:
itojun 1999-11-05 14:56:26 +00:00
parent 895de56d08
commit 37ecccca6b
1 changed files with 7 additions and 3 deletions
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10
sys/netinet6/ipcomp_core.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ipcomp_core.c,v 1.3 1999/07/03 21:30:19 thorpej Exp $ */
/* $NetBSD: ipcomp_core.c,v 1.4 1999/11/05 14:56:26 itojun Exp $ */
/*
* Copyright (C) 1999 WIDE Project.
@ -66,6 +66,8 @@ static int deflate_compress __P((struct mbuf *, struct mbuf *, size_t *));
static int deflate_decompress __P((struct mbuf *, struct mbuf *, size_t *));
static int deflate_policy = Z_DEFAULT_COMPRESSION;
static int deflate_window = 12; /* 2^12 = 4Kbytes */
static int deflate_memlevel = MAX_MEM_LEVEL;
#if 1
struct ipcomp_algorithm ipcomp_algorithms[] = {
@ -137,8 +139,10 @@ deflate_common(m, md, lenp, mode)
zs.zalloc = deflate_alloc;
zs.zfree = deflate_free;
zerror = mode ? inflateInit(&zs)
: deflateInit(&zs, deflate_policy);
zerror = mode ? inflateInit2(&zs, deflate_window)
: deflateInit2(&zs, deflate_policy, Z_DEFLATED,
deflate_window, deflate_memlevel,
Z_DEFAULT_STRATEGY);
if (zerror != Z_OK) {
error = ENOBUFS;
goto fail;