On Wed, May 15, 2019 at 08:05:16AM +0530, Anshuman Khandual wrote: > Virtual address alignment is essential in ensuring correct clearing for all > intermediate level pgtable entries and freeing associated pgtable pages. An > unaligned address can end up randomly freeing pgtable page that potentially > still contains valid mappings. Hence also check it's alignment along with > existing phys_addr check. > > Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> > Cc: Toshi Kani <toshi.kani@xxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Will Deacon <will.deacon@xxxxxxx> > Cc: Chintan Pandya <cpandya@xxxxxxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > --- > Changes in V4: > > - Added similar check for ioremap_try_huge_p4d() as per Toshi Kani Sorry to be a pain, but in future please can you just resend the entire series as a v4 (after giving it a few days for any other comments to come in) if you make an update? It's a bit fiddly tracking which replies to which individual patches need to be picked up, although I'm sure this varies between maintainers. No need to do anything this time, but just a small ask for future patches. Will
