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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-02 23:53:53 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-02 23:53:53 +0300 |
| commit | b0838b150160f90be0903a38a2ce11d764962752 (patch) | |
| tree | 39c71db2c10e4115c7755142b0444191f32b9c07 /drivers/xen/Kconfig | |
| parent | 1d514333da19410751c195cc715f9dbe1bb4b08f (diff) | |
| parent | 3c56b3a12ce52f361468cbdd2f79b2f3b8da0ea6 (diff) | |
| download | linux-b0838b150160f90be0903a38a2ce11d764962752.tar.xz | |
Merge tag 'stable/for-linus-4.0-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen regression fixes from David Vrabel:
"Fix two regressions in the balloon driver's use of memory hotplug when
used in a PV guest"
* tag 'stable/for-linus-4.0-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/balloon: before adding hotplugged memory, set frames to invalid
x86/xen: prepare p2m list for memory hotplug
Diffstat (limited to 'drivers/xen/Kconfig')
| -rw-r--r-- | drivers/xen/Kconfig | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index b812462083fc..94d96809e686 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -55,6 +55,23 @@ config XEN_BALLOON_MEMORY_HOTPLUG In that case step 3 should be omitted. +config XEN_BALLOON_MEMORY_HOTPLUG_LIMIT + int "Hotplugged memory limit (in GiB) for a PV guest" + default 512 if X86_64 + default 4 if X86_32 + range 0 64 if X86_32 + depends on XEN_HAVE_PVMMU + depends on XEN_BALLOON_MEMORY_HOTPLUG + help + Maxmium amount of memory (in GiB) that a PV guest can be + expanded to when using memory hotplug. + + A PV guest can have more memory than this limit if is + started with a larger maximum. + + This value is used to allocate enough space in internal + tables needed for physical memory administration. + config XEN_SCRUB_PAGES bool "Scrub pages before returning them to system" depends on XEN_BALLOON |