[Xen-devel] Memory missing in 2.6.32.36

[MaoXiaoyun <tinnycloud@xxxxxxxxxxx>]

Hi:
 
    Recently I am trying pvops dom0 kernel, 2.6.32.36, but confronted some strange things.
 
    In my grub, i give dom0 5630M memory. But when system startup, use free -m, only see 2869M in total.
 
title Red Hat Enterprise Linux Server (2.6.32.36xen)
        root (hd0,0)
        kernel /xen-4.0.1.gz msi=1 iommu=off x2apic=off console=com1,vga com1=115200,8n1 noreboot dom0_mem=5630M dom0_max_vcpus=4 dom0_vcpus_pin cpuidle=    0 cpufreq=none no-xsave
        module /vmlinuz-2.6.32.36xen ro root=LABEL=/ hda=noprobe console=hvc0
        module /initrd-2.6.32.36xen.img
 
 
Free -m output
 
root@xmao # free -m
             total       used       free     shared    buffers     cached
Mem:          2869       1068       1800          0         25         65
-/+ buffers/cache:        977       1892
Swap:         1027          0       1027
 
root@xmao# xm li
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0  4862     4     r-----   1272.6
 
root@xmao # xenstore-read /local/domain/0/memory/target
4979676
 
and dom0 auto balloon is disabled in /etc/xen/xend-config.
 
Well, when I use 2.6.32.10. Everything is OK
Free output in 2.6.32.10
root@xmao # free -m
             total       used       free     shared    buffers     cached
Mem:          4860       1550       3309          0         14         75
-/+ buffers/cache:       1460       3399
Swap:         1027          0       1027
 
Where is my memory going with 32.36?
 
Thanks.
 
 

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