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wrote: > ... > > > I recall correctly that initially, merging vma-s with different > > > VM_SORTDIRTY bit values was not allowed. It was a bit surprising that > > > this behavior was changed by Cyrill in 34228d473efe. Cyrill was an > > > active CRIU contributor at the time, so we can't even blame anyone for > > > breaking CRIU :). > > > > Well I think Cyrill is in the right here :) the problem described there - > > that of hitting the max_map_count simply due to failed VM_SOFTDIRTY merges > > - is very serious and clearly highlights the issue that arises from not > > merging these - that is VMA fragmentation. > > Hi guys! Happen to miss this thread due to high message traffic, thanks > for CC'ing me ;) Yeah, disability to merge VMAs due to softdirty bit has > been a serious issue, so better criu to dump more (redundant) memory > than apps got broken. As to this patch series, I think it is good, thanks > a huge Lorenzo! > > Acked-by: Cyrill Gorcunov Thanks :)