Sasha Levin <sashal@xxxxxxxxxx> writes: > On Tue, Sep 03, 2019 at 11:49:16AM -0500, Eric W. Biederman wrote: >>Sasha Levin <sashal@xxxxxxxxxx> writes: >> >>> From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx> >>> >>> [ Upstream commit 15773ae938d8d93d982461990bebad6e1d7a1830 ] >> >>To the best of my knowledge this is just a clean up, no changes in >>behavior are present. >> >>The only reason I can see to backport this is so that later fixes could >>be applied cleanly. >> >>So while I have no objections to this patch being backported I don't see >>why you would want to either. > > This patch along with the next one came in as a dependency for > a8c715b4dd73c ("ARC: mm: SIGSEGV userspace trying to access kernel > virtual memory"). Thanks for providing the rest of the context. That looks like a perfect reason for backporting this patch. Eric