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Daniel Kiper 080e2be788 xen/balloon: memory hotplug support for Xen balloon driver ... Memory hotplug support for Xen balloon driver. It should be mentioned that hotplugged memory is not onlined automatically. It should be onlined by user through standard sysfs interface. Memory could be hotplugged in following steps: 1) dom0: xl mem-max <domU> <maxmem> where <maxmem> is >= requested memory size, 2) dom0: xl mem-set <domU> <memory> where <memory> is requested memory size; alternatively memory could be added by writing proper value to /sys/devices/system/xen_memory/xen_memory0/target or /sys/devices/system/xen_memory/xen_memory0/target_kb on dumU, 3) domU: for i in /sys/devices/system/memory/memory*/state; do \ [ "`cat "$i"`" = offline ] && echo online > "$i"; done Memory could be onlined automatically on domU by adding following line to udev rules: SUBSYSTEM=="memory", ACTION=="add", RUN+="/bin/sh -c '[ -f /sys$devpath/state ] && echo online > /sys$devpath/state'" In that case step 3 should be omitted. Signed-off-by: Daniel Kiper <dkiper@net-space.pl> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		14 years ago
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interface	Merge branch 'stable/vga.support' into stable/drivers	14 years ago
Kbuild	xen: add privcmd driver	15 years ago
balloon.h	xen/balloon: memory hotplug support for Xen balloon driver	14 years ago
events.h	xen/pci: Remove 'xen_allocate_pirq_gsi'.	14 years ago
evtchn.h	…
features.h	…
gntalloc.h	xen/gntalloc,gntdev: Add unmap notify ioctl	14 years ago
gntdev.h	xen/gntalloc,gntdev: Add unmap notify ioctl	14 years ago
grant_table.h	xen: introduce gnttab_map_refs and gnttab_unmap_refs	14 years ago
hvc-console.h	xen: Add __attribute__((format(printf... where appropriate	14 years ago
hvm.h	…
page.h	xen: add extra pages to balloon	14 years ago
platform_pci.h	…
privcmd.h	xen: fix header export to userspace	14 years ago
swiotlb-xen.h	…
tmem.h	xen: tmem: self-ballooning and frontswap-selfshrinking	14 years ago
xen-ops.h	xen: suspend: add "arch" to pre/post suspend hooks	14 years ago
xen.h	…
xenbus.h	xen: Add __attribute__((format(printf... where appropriate	14 years ago
xencomm.h	…