On Fri, Dec 06, 2019 at 10:34:19AM +0800, 王文涛 wrote: > Yes, Mike's follow up fix should be picked too with this change. > > On Thu, Dec 5, 2019 at 9:11 PM Mike Rapoport <rppt@xxxxxxxxxxxxx> wrote: > > > On Thu, Dec 05, 2019 at 12:50:43PM +0100, Pavel Machek wrote: > > > Hi! > > > On Tue 2019-12-03 23:34:26, Greg Kroah-Hartman wrote: > > > > From: Wentao Wang <witallwang@xxxxxxxxx> > > > > > > > > [ Upstream commit d31cfe7bff9109476da92c245b56083e9b48d60a ] > > > > > > > > > > @@ -1537,12 +1537,7 @@ void * __init memblock_virt_alloc_try_nid( > > > > */ > > > > void __init __memblock_free_early(phys_addr_t base, phys_addr_t size) > > > > { > > > > - phys_addr_t end = base + size - 1; > > > > - > > > > - memblock_dbg("%s: [%pa-%pa] %pF\n", > > > > - __func__, &base, &end, (void *)_RET_IP_); > > > > - kmemleak_free_part_phys(base, size); > > > > - memblock_remove_range(&memblock.reserved, base, size); > > > > + memblock_free(base, size); > > > > } > > > > > > This makes the memblock_dbg() less useful: _RET_IP_ will now be one of > > > __memblock_free_early(), not of the original caller. > > > > > > That may be okay, but I guess it should be mentioned in changelog, and > > > I don't really see why it is queued for -stable. > > > > Not sure why this one was picked for -stable, but in upstream there is a > > followup commit 4d72868c8f7c ("memblock: replace usage of > > __memblock_free_early() with memblock_free()") that completely eliminates > > __memblock_free_early(). IMHO it would make sense to either to take both or > > to drop both. This commit does not apply to the 4.19.y tree :(