Merge remote-tracking branch 'quintela/migration.next' into staging

# By Peter Lieven
# Via Juan Quintela
* quintela/migration.next:
  migration: drop MADVISE_DONT_NEED for incoming zero pages

Message-id: 1384878412-23521-1-git-send-email-quintela@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
This commit is contained in:
Anthony Liguori 2013-11-19 13:03:06 -08:00
commit 394cfa39ba

View File

@ -850,14 +850,6 @@ void ram_handle_compressed(void *host, uint8_t ch, uint64_t size)
{
if (ch != 0 || !is_zero_range(host, size)) {
memset(host, ch, size);
#ifndef _WIN32
if (ch == 0 && (!kvm_enabled() || kvm_has_sync_mmu())) {
size = size & ~(getpagesize() - 1);
if (size > 0) {
qemu_madvise(host, size, QEMU_MADV_DONTNEED);
}
}
#endif
}
}