overallocation of physical volume

Hi,

--- Volume group ---

  VG Name               bytepool
  System ID             localhost.localdomain1073237462
  Format                lvm1
  VG Access             read/write
  VG Status             resizable
  MAX LV                256
  Cur LV                6
  Open LV               6
  Max PV                256
  Cur PV                5
  Act PV                5
  VG Size               46.41 GB
  PE Size               32.00 MB
  Total PE              1485
  Alloc PE / Size       1392 / 43.50 GB
  Free  PE / Size       93 / 2.91 GB
  VG UUID               deadbe-efde-adbe-efde-adbe-efde-adbeef

--- Physical volume ---

  PV Name               /dev/hda7
  VG Name               bytepool
  PV Size               10.00 GB / not usable 60.70 MB
  Allocatable           yes
  PE Size (KByte)       32768
  Total PE              318				 <-------------
  Free PE               4294967262                       <-------------
  Allocated PE          352                              <-------------
  PV UUID               sahdgd-gasj-g21h-xjn4-5jxJ-J45a-asdc3d

--- Physical volume ---

  PV Name               /dev/hda8
  VG Name               bytepool
  PV Size               10.00 GB / not usable 60.70 MB
  Allocatable           yes
  PE Size (KByte)       32768
  Total PE              318                               <-------------
  Free PE               4294967279                        <-------------
  Allocated PE          335                               <-------------
  PV UUID               sahdgd-gasj-g21h-xjn4-5jxJ-J45a-asdc4d

LVM seems to be claiming to use 352 (or 335 in the second case) physical extents when there are only 318 total... Should I be worried?

Any ideas on how to fix this?

Thanks!
Navin.