[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <26286ea5-2781-4e70-b52b-f8a44a1b1407@arm.com>
Date: Tue, 23 Jan 2024 10:47:36 +0000
From: Ryan Roberts <ryan.roberts@....com>
To: David Hildenbrand <david@...hat.com>, linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
Matthew Wilcox <willy@...radead.org>, Russell King <linux@...linux.org.uk>,
Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
Dinh Nguyen <dinguyen@...nel.org>, Michael Ellerman <mpe@...erman.id.au>,
Nicholas Piggin <npiggin@...il.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
"Aneesh Kumar K.V" <aneesh.kumar@...nel.org>,
"Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
<palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
Alexander Gordeev <agordeev@...ux.ibm.com>,
Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>,
Christian Borntraeger <borntraeger@...ux.ibm.com>,
Sven Schnelle <svens@...ux.ibm.com>, "David S. Miller"
<davem@...emloft.net>, linux-arm-kernel@...ts.infradead.org,
linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org,
linux-s390@...r.kernel.org, sparclinux@...r.kernel.org
Subject: Re: [PATCH v1 08/11] mm/memory: pass PTE to copy_present_pte()
On 22/01/2024 19:41, David Hildenbrand wrote:
> We already read it, let's just forward it.
>
> This patch is based on work by Ryan Roberts.
>
> Signed-off-by: David Hildenbrand <david@...hat.com>
Reviewed-by: Ryan Roberts <ryan.roberts@....com>
> ---
> mm/memory.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/mm/memory.c b/mm/memory.c
> index 2aa2051ee51d3..185b4aff13d62 100644
> --- a/mm/memory.c
> +++ b/mm/memory.c
> @@ -959,10 +959,9 @@ static inline void __copy_present_pte(struct vm_area_struct *dst_vma,
> */
> static inline int
> copy_present_pte(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,
> - pte_t *dst_pte, pte_t *src_pte, unsigned long addr, int *rss,
> - struct folio **prealloc)
> + pte_t *dst_pte, pte_t *src_pte, pte_t pte, unsigned long addr,
> + int *rss, struct folio **prealloc)
> {
> - pte_t pte = ptep_get(src_pte);
> struct page *page;
> struct folio *folio;
>
> @@ -1104,7 +1103,7 @@ copy_pte_range(struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma,
> }
> /* copy_present_pte() will clear `*prealloc' if consumed */
> ret = copy_present_pte(dst_vma, src_vma, dst_pte, src_pte,
> - addr, rss, &prealloc);
> + ptent, addr, rss, &prealloc);
> /*
> * If we need a pre-allocated page for this pte, drop the
> * locks, allocate, and try again.
Powered by blists - more mailing lists