5 ms·
I'm not at a machine, linux doesn't zero the swap "file" does it? if i set vm.swappiness = 0, will your "trick" work if i never hit memory pressure?
by genewitch 6mo ago
I'm not at a machine, linux doesn't zero the swap "file" does it? if i set vm.swappiness = 0, will your "trick" work if i never hit memory pressure?
- zrm 6mo agoIf you create the file with 'mkswap --file' it allocates the blocks. Trying to use 'swapon' with an existing sparse file won't remove the holes for you but does notice them and then refuse to use it.