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SubjectRe: [PATCH v2] page cache: Store only head pages in i_pages
On Thu, Feb 14, 2019 at 04:30:04PM +0300, Kirill A. Shutemov wrote:
> - migrate_page_move_mapping() has to be converted too.

I think that's as simple as:

+++ b/mm/migrate.c
@@ -465,7 +465,7 @@ int migrate_page_move_mapping(struct address_space *mapping,

for (i = 1; i < HPAGE_PMD_NR; i++) {
xas_next(&xas);
- xas_store(&xas, newpage + i);
+ xas_store(&xas, newpage);
}
}

or do you see something else I missed?

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