Re: [Qemu-devel] [PATCH v2 04/16] exec: ram_block_discard_range

[Laurent Vivier]

On 06/02/2017 18:32, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
> 
> Create ram_block_discard_range in exec.c to replace
> postcopy_ram_discard_range and most of ram_discard_range.
> 
> Those two routines are a bit of a weird combination, and
> ram_discard_range is about to get more complex for hugepages.
> It's OS dependent code (so shouldn't be in migration/ram.c) but
> it needs quite a bit of the innards of RAMBlock so doesn't belong in
> the os*.c.
> 
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>
> ---
>  exec.c                    | 59 
> +++++++++++++++++++++++++++++++++++++++++++++++
>  include/exec/cpu-common.h |  1 +
>  2 files changed, 60 insertions(+)
> 
> diff --git a/exec.c b/exec.c
> index 8b9ed73..e040cdf 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -45,6 +45,12 @@
>  #include "exec/address-spaces.h"
>  #include "sysemu/xen-mapcache.h"
>  #include "trace-root.h"
> +
> +#ifdef CONFIG_FALLOCATE_PUNCH_HOLE
> +#include <fcntl.h>
> +#include <linux/falloc.h>
> +#endif

Should it be in PATCH 05/16 instead?

Laurent