Currently we map these page when we want to use it, while this may be a little late.
To make the code consistency, these two patches move the map into postcopy_ram_incoming_setup. Wei Yang (2): migration/postcopy: allocate tmp_page in setup stage migration/postcopy: map large zero page in postcopy_ram_incoming_setup() migration/postcopy-ram.c | 74 +++++++++++++++------------------------- migration/postcopy-ram.h | 7 ---- migration/ram.c | 2 +- 3 files changed, 28 insertions(+), 55 deletions(-) -- 2.17.1