On Thu, Oct 17, 2024 at 12:14 PM Pedro Falcato <pedro.falcato@xxxxxxxxx> wrote: > > On Thu, Oct 17, 2024 at 09:20:20AM -0700, Jeff Xu wrote: > > On Thu, Oct 17, 2024 at 1:18 AM Lorenzo Stoakes > > <lorenzo.stoakes@xxxxxxxxxx> wrote: > > > > > > NACK. Greg's bot got to it but... > > > > > > As per Greg's bot, no signed-off-by line. > > > > > Sorry for confusion, I wasn't meant to send this as a PATCH, but > > reporting the issue. > > The diff was just sent as reference to repro the bug, and I forgot to > > remove PATCH from the title. I apologize for the confusion. > > > > Can you explain what the issue is? I don't get it. > The issue is there is one VMA that gets splitted after an unmap call fails. Two splitted VMA share the same attributes. e.g. - Allocate 12 pages (0-11). - Seal middle 4 pages (4567) - munmap (2345) - this will fail due to 4567 being sealed. The VMA for page (0123) is split as 2 VMAs (01)-(23), those 2 VMA have the same attribute, and should be merged as one. > -- > Pedro
