diff options
| -rw-r--r-- | usr/src/uts/common/conf/param.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/usr/src/uts/common/conf/param.c b/usr/src/uts/common/conf/param.c index 41b400d64c..f00975dcef 100644 --- a/usr/src/uts/common/conf/param.c +++ b/usr/src/uts/common/conf/param.c @@ -20,6 +20,7 @@ */ /* * Copyright (c) 1983, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, Joyent, Inc. All rights reserved. */ #include <sys/types.h> @@ -564,8 +565,8 @@ char *isa_list = architecture; static pgcnt_t original_physmem = 0; #define MIN_DEFAULT_MAXUSERS 8u -#define MAX_DEFAULT_MAXUSERS 2048u -#define MAX_MAXUSERS 4096u +#define MAX_DEFAULT_MAXUSERS 10000u +#define MAX_MAXUSERS 20000u void param_preset(void) @@ -577,7 +578,7 @@ void param_calc(int platform_max_nprocs) { /* - * Default to about one "user" per megabyte, taking into + * Default to about one "user" per 8MB, taking into * account both physical and virtual constraints. * Note: 2^20 is a meg; shifting right by (20 - PAGESHIFT) * converts pages to megs without integer overflow. @@ -591,8 +592,9 @@ param_calc(int platform_max_nprocs) if (maxusers == 0) { pgcnt_t physmegs = physmem >> (20 - PAGESHIFT); pgcnt_t virtmegs = vmem_size(heap_arena, VMEM_FREE) >> 20; - maxusers = MIN(MAX(MIN(physmegs, virtmegs), - MIN_DEFAULT_MAXUSERS), MAX_DEFAULT_MAXUSERS); + maxusers = MIN(physmegs, virtmegs) >> 3; /* divide by 8 */ + maxusers = MAX(maxusers, MIN_DEFAULT_MAXUSERS); + maxusers = MIN(maxusers, MAX_DEFAULT_MAXUSERS); } if (maxusers > MAX_MAXUSERS) { maxusers = MAX_MAXUSERS; |