Re: [Xen-devel] PageReserved ?

[aq <aquynh@xxxxxxxxx>]

On 7/15/05, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
> 
> On 15 Jul 2005, at 19:26, aq wrote:
> 
> > This looks a little bit strange to me: Low/High-mem is 0K, and that
> > indicates from 51200K up (Current allocation) to 70MB, all the pages
> > are reserved, which means I cannot balloon memory (?). Anybody knows
> > why so much memory are reserved?
> 
> Add a 'mem=' line to your kernel command line (e.g., 'mem=100M' should
> work I think). That will ensure the domain makes itself a big enough
> memory map to increase its memory reservation.

I still cannot create the "LowMem". Any suggestion? (I am running
latest -testing tree)

Here is my domain file:
--
kernel = "/boot/vmlinuz-2.6-xenU"
memory = 32
maxmem = 80
name = "tty"
disk = [ 'file:/home/aq/myxen/rootfs.tty,hda1,w' ]
root = "/dev/hda1 ro"
extra = "mem=150"
---

And here is domU's /proc/xen/balloon (immediately after creating domain):

 # cat /proc/xen/balloon 
Current allocation:    32768 kB
Requested target:      32768 kB
Low-mem balloon:           0 kB
High-mem balloon:          0 kB
Xen hard limit:          ??? kB


Thank you,
aq

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