Re: [PATCH v9 mm-unstable 11/18] mm/zsmalloc: convert reset_page to reset_zpdesc

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On Fri, 10 Jan 2025 15:08:44 +0900 Hyeonggon Yoo <hyeonggon.yoo@xxxxxx> wrote:

> >> [42.hyeyoo: keep reset_zpdesc() to use struct page fields]
> > 
> > Ummm ... why did you make this change?  Now page->index still has a user
> > in zsmalloc ;-(
> 
> Ohhh.., my bad :/
> 
> I was thinking of a situation when someone re-arranges zpdesc fields
> and forgets to reset the field that overlaps page->index now.
> And when writing it did not consider that we're going to remove usages
> of page->index anyway...
> 
> Let me fix this - will send an updated version of this patch or series
> (whatever way that is convenient for You and Andrew)

A little fixup patch would be preferred at this stage, please.  Or a
new version of this patch, from which I'll create a little fixup patch.





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