Re: [Xen-devel] Re: CCISS Driver (for DL360) useable with 2.4.27-xen0 ?

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

I think there's a maxmem kernel parameter that allows you to specify
the largest amount of memory you ever want to give the
domain. Otherwise Linux will assume that it's initial memory
allocation is the maximum for all time.

 -- Keir


> CCISS Problem [SOLVED] !!
> 
> But another problem is coming up.
> 
> I'm not able to increase the maxmem from a domain.
> 
> Example:
> my domain has a maxmem from e.g. 64MB
> Using the balloon driver, I'm able to decrease/increase the memory from 
> 0-64MB without a problem.
> 
> Now I've tried to increase the maxmem to 128M using
> xm maxmem MyDomain 128
> 
> But 'xm list' reports still 64M.
> 
> Then I've tested to decrese the maxmem value:
> 
> xm maxmem MyDomain 30M
> 
> This works... using the balloon command, I'm not able to increase over 30M of 
> Mem.
> 
> But... when I wan't increase the maxmem from 30M to 64M again, this results 
> in "nothing" useful.
> maxmem is still 30M :/
> 
> btw: Is the HIGHMEM kernel a problem ?
> 
> [root@pl370_node3 xen-src]# grep HIGH /boot/config-2.4.27-xen0
> # CONFIG_NOHIGHMEM is not set
> CONFIG_HIGHMEM4G=y
> CONFIG_HIGHMEM=y
> CONFIG_HIGHIO=y
> 
> another potential useful info:
> 
> [root@myhost xen-src]# xm info
> system                 : Linux
> host                   : myhost
> release                : 2.4.27-xen0
> version                : #5 Wed Nov 17 13:16:29 CET 2004
> machine                : i686
> cores                  : 1
> hyperthreads_per_core  : 2
> cpu_mhz                : 2799
> memory                 : 1023
> free_memory            : 849
> 
> Greetz & Thx
> btw: gr8 piece of software !!! =)
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