linux-kernel - Re: [PATCH 7/7] mm/mremap: thread state through move page table operation

lists.openwall.net		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 linux-cve-announce 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]

Message-Id: <20250303161256.1c3d497ee525023d239d1c38@linux-foundation.org>
Date: Mon, 3 Mar 2025 16:12:56 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: kernel test robot <lkp@...el.com>, Lorenzo Stoakes
 <lorenzo.stoakes@...cle.com>, oe-kbuild-all@...ts.linux.dev, Linux Memory
 Management List <linux-mm@...ck.org>, "Liam R . Howlett"
 <Liam.Howlett@...cle.com>, Vlastimil Babka <vbabka@...e.cz>, Jann Horn
 <jannh@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] mm/mremap: thread state through move page table
 operation

On Mon, 3 Mar 2025 16:05:55 -0800 Andrew Morton <akpm@...ux-foundation.org> wrote:

> --- a/mm/mremap.c~mm-mremap-thread-state-through-move-page-table-operation-fix
> +++ a/mm/mremap.c
> @@ -475,8 +475,9 @@ static bool move_huge_pud(struct pagetab
>  	return true;
>  }
>  #else
> -static bool move_huge_pud(struct vm_area_struct *vma, unsigned long old_addr,
> -			  unsigned long new_addr, pud_t *old_pud, pud_t *new_pud)
> +static bool move_huge_pud(struct pagetable_move_control *pmc,
> +			  unsigned long old_addr, unsigned long new_addr,
> +			  pud_t *old_pud, pud_t *new_pud)
>  {
>  	WARN_ON_ONCE(1);
>  	return false;

err,

--- a/mm/mremap.c~mm-mremap-thread-state-through-move-page-table-operation-fix
+++ a/mm/mremap.c
@@ -475,8 +475,8 @@ static bool move_huge_pud(struct pagetab
 	return true;
 }
 #else
-static bool move_huge_pud(struct vm_area_struct *vma, unsigned long old_addr,
-			  unsigned long new_addr, pud_t *old_pud, pud_t *new_pud)
+static bool move_huge_pud(struct pagetable_move_control *pmc,
+			  pud_t *old_pud, pud_t *new_pud)
 {
 	WARN_ON_ONCE(1);
 	return false;
_