On Mon, Jan 25, 2021 at 12:02:53PM +0100, David Hildenbrand wrote: > Assume you have two consecutive memory blocks with 56 sizeof(struct page). > The first one allocates a PMD (2097152) but only consumes 1835008, the second > one reuses the remaining part and allocates another PMD (1835008), > only using parts of it. > > Ripping out a memory block, along with the PMD in the vmemmap would > remove parts of the vmemmap of another memory block. Bleh, yeah, I was confused, you are right. > You might want to take a look at: Thanks a lot for the hints, I will have a look ;-) -- Oscar Salvador SUSE L3
