| From | David Howells <> | Subject | Re: [PATCH v14 038/138] mm/memcg: Add folio_memcg() and related functions | Date | Tue, 10 Aug 2021 21:17:59 +0100 |
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Matthew Wilcox (Oracle) <willy@infradead.org> wrote:
> memcg information is only stored in the head page, so the memcg > subsystem needs to assure that all accesses are to the head page. > The first step is converting page_memcg() to folio_memcg(). > > The callers of page_memcg() and PageMemcgKmem() are not yet ready to be > converted to use folios, so retain them as wrappers around folio_memcg() > and folio_memcg_kmem(). They will be converted in a later patch set. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> > Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Howells <dhowells@redhat.com>
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