Quoting r. Linus Torvalds <[email protected]>:
> Subject: Re: [PATCH] add asm-generic/mman.h
>
>
>
> On Wed, 15 Feb 2006, Michael S. Tsirkin wrote:
> >
> > Other numbers look right, dont they?
>
> Suggestion: for each macro name, do
>
> grep "macroname" patch
>
> and if you see anything that looks even half-way suspicious, check it.
>
> Here's a pipeline from hell which shows that you broke at least
> MADV_REMOVE (which has values 5-9 depending on architecture).
>
> sed -n '/^[-+].*define[ ]*/
> { s/.*define[ ]*\([A-Za-z_0-9]*\).*/\1/ ; p}'
> patch |
> sort -u |
> while read i
> do
> echo $i:
> grep "^[-+].*$i" patch
> done |
> less -S
This change was intentional: MADV_REMOVE wasnt in any mainline kernels:
it was added recently, so no app should be using it, yet.
> Rule #1: use tools instead of eyeballs whenever you possibly can. Humans
> are bad at noticing changes like this.
Right. I'll go check again.
--
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies
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