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author | Pino Toscano <toscano.pino@tiscali.it> | 2013-03-15 16:37:56 +0100 |
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committer | Pino Toscano <toscano.pino@tiscali.it> | 2013-03-15 16:37:56 +0100 |
commit | 10a5ed091374ee5d6421e6c55afd86b13c0f52a3 (patch) | |
tree | 95085219fb4ef1f53fe59cb9694aafcd4ce7cf00 /faq/ram_limit.mdwn | |
parent | 64ab4a5a92923e79cd6711b903c5e01c8598f8ba (diff) |
Reorganize the Hurd FAQ in a single place
move all the hurd faq pages to the top-level faq directory;
the faq.mdwn index now uses two simples map of all the subpages
(one for the debian items, and the other for the non-debian items)
TODO: now some of the items would need better titles
Diffstat (limited to 'faq/ram_limit.mdwn')
-rw-r--r-- | faq/ram_limit.mdwn | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/faq/ram_limit.mdwn b/faq/ram_limit.mdwn new file mode 100644 index 00000000..447ff20c --- /dev/null +++ b/faq/ram_limit.mdwn @@ -0,0 +1,22 @@ +[[!meta copyright="Copyright © 2007, 2008, 2013 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="830 MiB RAM Limit"]] + +Just like any 32bit OS without bad tricks, GNU Mach does not cope well with lots +of memory. Latest versions of the Debian `gnumach` package will limit themselves +to around 1.7 GiB of memory. If you want more, you can twiddle the VM_MAX_ADDRESS +limit between kernelland and userland in i386/include/mach/i386/vm_param.h. + +If you have an older version, or still experience problems with `vmstat` (see +above) reported much less memory than you have, the best is to limit the memory +it can see via GRUB's `upppermem` feature. Add `uppermem 786432` to GRUB's Hurd +entry in `menu.lst`. |