Andrea Arcangeli wrote:
On Mon, Aug 18, 2008 at 05:04:25PM -0500, Anthony Liguori wrote:
+ if (!kvm_enabled() || !qemu_kvm_has_mmu_notifiers())
+ madvise(addr, TARGET_PAGE_SIZE,
+ deflate ? MADV_WILLNEED : MADV_DONTNEED);
The check was reversed so madvise wasn't invoked in the first place if
mmu notifier was enabled in the host kernel. This should fix it
(untested):
if (!kvm_enabled() || kvm_has_sync_mmu())
Ugh, sorry about that Andrea.
I've sent out an updated patch set. With MMU notifiers, ballooning is
working exactly as expected.
Regards,
Anthony Liguori
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