lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Sat, 26 Dec 2020 21:41:06 +0000
From:   Matthew Wilcox <>
To:     "Kirill A. Shutemov" <>
Cc:     Linus Torvalds <>,
        Hugh Dickins <>,
        "Kirill A. Shutemov" <>,
        Will Deacon <>,
        Linux Kernel Mailing List <>,
        Linux-MM <>,
        Linux ARM <>,
        Catalin Marinas <>,
        Jan Kara <>, Minchan Kim <>,
        Andrew Morton <>,
        Vinayak Menon <>,
        Android Kernel Team <>
Subject: Re: [PATCH 1/2] mm: Allow architectures to request 'old' entries
 when prefaulting

On Sat, Dec 26, 2020 at 11:43:35PM +0300, Kirill A. Shutemov wrote:
> +static struct page *next_stable_page(struct page *page, struct vm_fault *vmf,
> +				     struct xa_state *xas, pgoff_t end_pgoff)

A "stable page" means one that doesn't currently have an outstanding
write (see wait_for_stable_page()).  It's really "Next trivially
insertable page".  I might call it "next_uptodate_page()" and gloss
over the other reasons this might fail to return a page.

Powered by blists - more mailing lists