Re: [PATCH 9/9] mm: Free up a word in the first tail page

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On 15.08.23 05:26, Matthew Wilcox (Oracle) wrote:
Store the folio order in the low byte of the flags word in the first
tail page.  This frees up the word that was being used to store the
order and dtor bytes previously.

Is there still a free flag in page[1] after this change? I need one, at least for a prototype I'm working on. (could fallback to page[2], though eventually, though)


David / dhildenb

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