> Yes: The 32-bit kernel will leave 25% of your 4 GB RAM unused, I believe.
I'm running 32-bit SL6.0 on a 5gb-RAM machine and (unless I'm missing
something) it sees and uses all of it.
$ free
total used free shared buffers cached
Mem: 5061660 4934336 127324 0 199168 3129100
-/+ buffers/cache: 1606068 3455592
Swap: 4008056 853280 3154776
$ uname -a
Linux blossom.fujigreenwood.com 2.6.32-71.24.1.el6.i686 #1 SMP Fri Apr
8 01:07:04 CDT 2011 i686 i686 i386 GNU/Linux
$
This same machine saw the same memory under SL5.x using the PAE kernel
(AIUI all the SL6 kernels are PAE).
- Bluejay Adametz
The tears of a stranger are only water - Russian proverb
NOTICE: This message, including any attachments, is only for the use of
the intended recipient(s) and may contain confidential and privileged
information, or information otherwise protected from disclosure by law.
If the reader of this message is not the intended recipient, you are
hereby notified that any use, disclosure, copying, dissemination or
distribution of this message or any of its attachments is strictly
prohibited. If you received this message in error, please contact the
sender immediately by reply email and destroy this message, including all
attachments, and any copies thereof.
