On 24.07.2025 13:04, Roger Pau Monne wrote: > The current setup (pdx_init_mask() and pdx_region_mask()) and init > (pfn_pdx_hole_setup()) PDX compression functions are tailored to the > existing PDX compression algorithm. > > In preparation for introducing a new compression algorithm convert the > setup and init functions to more generic interfaces that aren't tied to the > compression in-use. To accomplish this introduce a function that registers > all the PFN RAM ranges, plus an init function. > > This has the downside of requiring a static array to store such ranges > ahead of being processed by the setup function, however it's the only way > to pass all the possible information to the different compression setup > functions without using per-compression specific setup functions. > Per-arch compression setup also need to be adjusted to use the new > interface. There's a slight ordering adjustment, in that after PDX > compression setup the caller will check whether all the RAM regions are > properly covered by the newly setup compression, otherwise compression is > disabled by resetting to the initial values. > > No functional change intended in the resulting PDX compression values. > > Signed-off-by: Roger Pau Monné <roger....@citrix.com>
Acked-by: Jan Beulich <jbeul...@suse.com>
