On Fri, Oct 12, 2018 at 7:10 PM, Joel Fernandes wrote:
> On Fri, Oct 12, 2018 at 06:54:33PM -0700, Daniel Colascione wrote:
>> I wonder whether it makes sense to expose to userspace somehow whether
>> mremap is "fast" for a particular architecture. If a feature relies on
rming very poorly. If we're disabling fast mremap when THP is
enabled, the userland component can't just rely on an architecture
switch and some kind of runtime feature detection becomes even more
important.
On Fri, Oct 12, 2018 at 6:44 PM, Joel Fernandes wrote:
> On Fri, Oct 12, 2018 at 0
Not 32-bit ARM?
On Fri, Oct 12, 2018 at 6:35 PM, Joel Fernandes wrote:
> On Fri, Oct 12, 2018 at 11:18:36AM -0700, David Miller wrote:
>> From: Joel Fernandes
> [...]
>> > Also, do we not flush the caches from any path when we munmap
>> > address space? We do call do_munmap on the old mapping f