Commit 394cfa39 authored by Anthony Liguori's avatar Anthony Liguori
Browse files

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: default avatarAnthony Liguori <aliguori@amazon.com>
parents 4ed34791 fc1c4a5d

arch_init.c

+0 −8
Original line number Diff line number Diff line
@@ -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

    }

}