Zdenek Kabelac ebad057579 vdo: check vdo memory constrains ... Add function to check for avaialble memory for particular VDO configuration - to avoid unnecessary machine swapping for configs that will not fit into memory (possibly in locked section). Formula tries to estimate RAM size machine can use also with swapping for kernel target - but still leaving some amount of usable RAM. Estimation is based on documented RAM usage of VDO target. If the /proc/meminfo would be theoretically unavailable, try to use 'sysinfo()' function, however this is giving only free RAM without the knowledge about how much RAM could be eventually swapped. TODO: move _get_memory_info() into generic lvm2 API function used by other targets with non-trivial memory requirements.		2022-07-11 01:18:24 +02:00
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vdo.c	vdo: check vdo memory constrains	2022-07-11 01:18:24 +02:00