Re: [PATCH v4 04/11] migration: Use file_bmap for RAMBlock during incoming file load

On 2026-08-01 08:06, Aadeshveer Singh wrote:
> Replace the temporary bitmap with the existing file_bmap attribute of
> the RAMBlock. This acts as a preparatory change for the upcoming fast
> snapshot load feature.
> 
> Reusing this bitmap allows the destination to track page types during
> a postcopy load, enabling faster, direct placement of zero pages.
> 
> Since file_bmap is currently only utilized during the migration save
> phase, it can be safely repurposed during the load phase without
> introducing conflicts.
> 
> Signed-off-by: Aadeshveer Singh <[email protected]>
> Reviewed-by: Peter Xu <[email protected]>
> ---
>  migration/ram.c | 33 +++++++++++++++++++++++++++------
>  1 file changed, 27 insertions(+), 6 deletions(-)

Reviewed-by: Juraj Marcin <[email protected]>