lkml.org 
[lkml]   [2019]   [Jul]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v9 03/18] kunit: test: add string_stream a std::stream like string builder
Date
Quoting Brendan Higgins (2019-07-15 14:11:50)
> On Mon, Jul 15, 2019 at 1:43 PM Stephen Boyd <sboyd@kernel.org> wrote:
> >
> > I also wonder if it would be better to just have a big slop buffer of a
> > 4K page or something so that we almost never have to allocate anything
> > with a string_stream and we can just rely on a reader consuming data
> > while writers are writing. That might work out better, but I don't quite
> > understand the use case for the string stream.
>
> That makes sense, but might that also waste memory since we will
> almost never need that much memory?

Why do we care? These are unit tests. Having allocations in here makes
things more complicated, whereas it would be simpler to have a pointer
and a spinlock operating on a chunk of memory that gets flushed out
periodically.

\
 
 \ /
  Last update: 2019-07-16 00:05    [W:0.054 / U:2.372 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site