On Sat, Nov 7, 2020 at 9:17 PM Dmitry Safonov <dima@xxxxxxxxxx> wrote: > > Started from discussion [1], where was noted that currently a couple of > architectures support mremap() for vdso/sigpage, but not munmap(). > If an application maps something on the ex-place of vdso/sigpage, > later after processing signal it will land there (good luck!) > > Patches set is based on linux-next (next-20201106) and it depends on > changes in x86/cleanups (those reclaim TIF_IA32/TIF_X32) and also > on my changes in akpm (fixing several mremap() issues). > > Logically, the patches set divides on: > - patch 1: cleanup for patches in x86/cleanups > - patches 2-11: cleanups for arch_setup_additional_pages() I like these cleanups, although I think you should stop using terms like "new-born". A task being exec'd is not newborn at all -- it's in the middle of a transformation. --Andy