On Thu 22-07-21 21:47:56, Suren Baghdasaryan wrote:
On Thu, Jul 22, 2021, 7:04 PM Shakeel Butt [off-list ref] wrote:
quoted
On Thu, Jul 22, 2021 at 6:14 PM Suren Baghdasaryan [off-list ref]
wrote:
quoted
[...]
quoted
+
+ mmap_read_lock(mm);
How about mmap_read_trylock(mm) and return -EAGAIN on failure?
That sounds like a good idea. Thanks! I'll add that in the next respin.
Why is that a good idea? Can you do anything meaningful about the
failure other than immediately retry the syscall and hope for the best?
--
Michal Hocko
SUSE Labs