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cwfs: limit memsize() to 1GB until pool can handle huge allocations

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This commit is contained in:
cinap_lenrek 2014-02-07 23:33:34 +01:00
parent c3917ec566
commit 88cc09a580
1 changed files with 7 additions and 2 deletions
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9
sys/src/cmd/cwfs/malloc.c
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@ -4,7 +4,7 @@
static ulong
memsize(void)
{
ulong pgsize, userpgs, userused;
ulong pgsize, pgmax, userpgs, userused;
char *s, *f[2];
int n, mpcnt;
Biobuf *bp;
@ -29,13 +29,18 @@ memsize(void)
Bterm(bp);
}
if(pgsize && userused < userpgs){
userpgs -= userused;
if(s = getenv("fsmempercent")){
mpcnt = atoi(s);
free(s);
}
if(mpcnt < 1)
mpcnt = 1;
return ((userpgs-userused)*mpcnt/100)*pgsize;
userpgs = (userpgs*mpcnt)/100;
pgmax = (1024*1024*1024)/pgsize; /* 1GB max */
if(userpgs > pgmax)
userpgs = pgmax;
return userpgs*pgsize;
}
return 16*MB;
}