Re: [PATCH 10/15] mm: Allow find_get_page to be used for large pages

2019-10-01 Thread Kirill A. Shutemov
On Tue, Sep 24, 2019 at 05:52:09PM -0700, Matthew Wilcox wrote: > From: "Matthew Wilcox (Oracle)" > > Add FGP_PMD to indicate that we're trying to find-or-create a page that > is at least PMD_ORDER in size. The internal 'conflict' entry usage > is modelled after that in DAX, but the

[PATCH 10/15] mm: Allow find_get_page to be used for large pages

2019-09-24 Thread Matthew Wilcox
From: "Matthew Wilcox (Oracle)" Add FGP_PMD to indicate that we're trying to find-or-create a page that is at least PMD_ORDER in size. The internal 'conflict' entry usage is modelled after that in DAX, but the implementations are different due to DAX using multi-order entries and the page cache