lkml.org 
[lkml]   [2019]   [Oct]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 13/15] mm: Add a huge page fault handler for files
On Tue, Sep 24, 2019 at 05:52:12PM -0700, Matthew Wilcox wrote:
> From: William Kucharski <william.kucharski@oracle.com>
>
> Add filemap_huge_fault() to attempt to satisfy page
> faults on memory-mapped read-only text pages using THP when possible.
>
> Signed-off-by: William Kucharski <william.kucharski@oracle.com>
> [rebased on top of mm prep patches -- Matthew]
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

As we discuss before, I think it's wrong direction to separate ->fault()
from ->huge_fault(). If ->fault() would return a huge page alloc_set_pte()
will do The Right Thing™.

--
Kirill A. Shutemov

\
 
 \ /
  Last update: 2019-10-01 12:42    [W:0.221 / U:0.200 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site