On Wed, 10 Jun 2009, Kip Macy wrote:
KM> + if ((((uint64_t)physmem * PAGESIZE) < (1ULL << 32)) &&
KM> + (zfs_prefetch_enable != 1) && (zfs_prefetch_disable != 1)) {
KM> + printf("ZFS NOTICE: system has less than 4GB and prefetch
enable is not set"
KM> + "... disabling.\n");
KM> + zfs_prefetch_disable=1;
KM> + }
Also: this will disable prefetch on a system with exact 4G of memory *and*
some subsystem which allocates memory from system (e.g., integrated video)
Don't you think the threshold like 3G would be more appropriate?
--
Sincerely,
D.Marck [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer: ma...@freebsd.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- ma...@rinet.ru ***
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