Re: [PATCH 0/2] Cpuset hardwall flag: Introduction

[Andrew Morton <akpm@linux-foundation.org>]

On Wed, 5 Mar 2008 06:23:18 -0600 Paul Jackson <pj@sgi.com> wrote:

> Paul M wrote:
> > Currently the cpusets mem_exclusive flag is overloaded to mean both
> > "no-overlapping" and "no GFP_KERNEL allocations outside this cpuset".
> > 
> > These patches add a new mem_hardwall flag with just the allocation
> > restriction part of the mem_exclusive semantics, without breaking
> > backwards-compatibility for those who continue to use just
> > mem_exclusive.
> 
> ... too bad this nice comment wasn't included in PATCH 2/2, so that
> it would automatically make it into the record of history - the source
> control log message (as best I understand how Andrew's tools work,
> comments off in their own, codeless patch "PATCH 0/N" don't make
> it to the source control log, except when Andrew chooses to make a
> special effort.)

I make that special effort almost 100% of the time.  The changelog for the
first patch becomes:


<text from [0/n]>

This patch:

<text from [1/n]>