Richard Yao 518b487602 Update ARC memory limits to account for SLUB internal fragmentation ... 23bdb07d4e updated the ARC memory limits to be 1/2 of memory or all but 4GB. Unfortunately, these values assume zero internal fragmentation in the SLUB allocator, when in reality, the internal fragmentation could be as high as 50%, effectively doubling memory usage. This poses clear safety issues, because it permits the size of ARC to exceed system memory. This patch changes this so that the default value of arc_c_max is always 1/2 of system memory. This effectively limits the ARC to the memory that the system has physically installed. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #660		2012-04-30 10:04:34 -07:00
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avl	Support custom build directories and move includes	2010-09-08 12:38:56 -07:00
nvpair	Implement SA based xattrs	2011-11-28 15:45:51 -08:00
unicode	Support custom build directories and move includes	2010-09-08 12:38:56 -07:00
zcommon	Support ashift=13 for 8KB SSD block sizes	2012-02-13 12:25:27 -08:00
zfs	Update ARC memory limits to account for SLUB internal fragmentation	2012-04-30 10:04:34 -07:00
zpios	Linux 2.6.36 compat, use fops->unlocked_ioctl()	2010-11-10 17:01:08 -08:00
.gitignore	Add .gitignore files to exclude build products	2010-01-08 11:35:17 -08:00
Makefile.in	Fix 'make install' overly broad 'rm'	2011-07-20 09:38:51 -07:00