Re: + mmap-locking-api-convert-mmap_sem-call-sites-missed-by-coccinelle-fix-fix-fix.patch added to -mm tree

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On Thu, 21 May 2020 20:23:52 -0700 Michel Lespinasse <walken@xxxxxxxxxx> wrote:

> Hi Andrew,
> 
> Thanks for going through this to fix the conflicts. is your current
> git tree exported somewhere, so that I could help fixing such
> conflicts with a coccinelle run ?

My tree changes a lot :( 658 patches so far this cycle, tons on them in
MM.

linux-next is probably the best way to get at it when it's in a
reasonable shape.  Perhaps you could keep an eye on linux-next, do the
occasional grep send me any fixups for anything which I missed?

> On an unrelated note, I wanted to ask about the status of "mm/mmap.c:
> fix the adjusted length error", which I noticed is still in your tree.
> The code there is correct, but changes an O(log N) algorithm into an
> O(N) one, so I am somewhat concerned about it...

It's completely stuck - I'm awaiting some sort of resolution.

It seems that the bug is real - is there any alternative solution on
offer?



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