From 52b3368d79ea61645b6f3476134b7517b560a346 Mon Sep 17 00:00:00 2001 From: jeff Date: Fri, 19 Sep 2003 04:39:08 +0000 Subject: - Only use UMA to cache malloc requests up to PAGE_SIZE. Values larger than this are requested very infrequently and waste memory when we cache spares. --- sys/kern/kern_malloc.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'sys/kern/kern_malloc.c') diff --git a/sys/kern/kern_malloc.c b/sys/kern/kern_malloc.c index a90d628..62fc909 100644 --- a/sys/kern/kern_malloc.c +++ b/sys/kern/kern_malloc.c @@ -95,7 +95,7 @@ static char *kmemlimit; #define KMEM_ZBASE 16 #define KMEM_ZMASK (KMEM_ZBASE - 1) -#define KMEM_ZMAX 65536 +#define KMEM_ZMAX PAGE_SIZE #define KMEM_ZSIZE (KMEM_ZMAX >> KMEM_ZSHIFT) static u_int8_t kmemsize[KMEM_ZSIZE + 1]; @@ -114,10 +114,21 @@ struct { {1024, "1024", NULL}, {2048, "2048", NULL}, {4096, "4096", NULL}, +#if PAGE_SIZE > 4096 {8192, "8192", NULL}, +#if PAGE_SIZE > 8192 {16384, "16384", NULL}, +#if PAGE_SIZE > 16384 {32768, "32768", NULL}, +#if PAGE_SIZE > 32768 {65536, "65536", NULL}, +#if PAGE_SIZE > 65536 +#error "Unsupported PAGE_SIZE" +#endif /* 65536 */ +#endif /* 32768 */ +#endif /* 16384 */ +#endif /* 8192 */ +#endif /* 4096 */ {0, NULL}, }; -- cgit v1.1