Re: swap storage alignment and stride size

[Martin K. Petersen]

>>>>> "Hugh" == Hugh Dickins <hughd@xxxxxxxxxx> writes:

Hugh> (scan_swap_map does try to allocate in 1MB clusters, but they're
Hugh> not written out that way, and there's no attempt to align: if it
Hugh> worked out better for the lower level to require that these 1MB
Hugh> clusters are aligned, we could probably go for that - though the
Hugh> swap header page might then be a nuisance.)

You called it a "header page". Does that imply that it is page sized?
Or will it cause pages written to a 4k-aligned swap device to be
misaligned?

-- 
Martin K. Petersen	Oracle Linux Engineering
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