On 3/6/25 11:34, Lorenzo Stoakes wrote: > Update move_vma() to use the threaded VRM object, de-duplicate code and > separate into smaller functions to aid readability and debug-ability. > > This in turn allows further simplification of expand_vma() as we can > simply thread VRM through the function. > > We also take the opportunity to abstract the account charging page count > into the VRM in order that we can correctly thread this through the > operation. > > We additionally do the same for tracking mm statistics - exec_vm, > stack_vm, data_vm, and locked_vm. > > As part of this change, we slightly modify when locked pages statistics > are counted for in mm_struct statistics. However this should cause no > issues, as there is no chance of underflow, nor will any rlimit failures > occur as a result. > > This is an intermediate step before a further refactoring of move_vma() in > order to aid review. > > Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx> > Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx> Can't wait what the bots report what I've missed in this one.
