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cb6b7667cd
This commit add option "enable_guest_swap" to config hypervisor.qemu. It will enable swap in the guest. Default false. When enable_guest_swap is enabled, insert a raw file to the guest as the swap device if the swappiness of a container (set by annotation "io.katacontainers.container.resource.swappiness") is bigger than 0. The size of the swap device should be swap_in_bytes (set by annotation "io.katacontainers.container.resource.swap_in_bytes") - memory_limit_in_bytes. If swap_in_bytes is not set, the size should be memory_limit_in_bytes. If swap_in_bytes and memory_limit_in_bytes is not set, the size should be default_memory. Fixes: #2201 Signed-off-by: Hui Zhu <teawater@antfin.com>