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Message-ID: <ZvalJ9O/SV9Riiws@li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com>
Date: Fri, 27 Sep 2024 14:29:27 +0200
From: Alexander Gordeev <agordeev@...ux.ibm.com>
To: Alistair Popple <apopple@...dia.com>
Cc: dan.j.williams@...el.com, linux-mm@...ck.org, vishal.l.verma@...el.com,
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Subject: Re: [PATCH 11/12] mm: Remove pXX_devmap callers
On Tue, Sep 10, 2024 at 02:14:36PM +1000, Alistair Popple wrote:
Hi Alistair,
> diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c
> index 5a4a753..4537a29 100644
> --- a/arch/powerpc/mm/book3s64/pgtable.c
> +++ b/arch/powerpc/mm/book3s64/pgtable.c
> @@ -193,7 +192,7 @@ pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma,
> pmd_t pmd;
> VM_BUG_ON(addr & ~HPAGE_PMD_MASK);
> VM_BUG_ON((pmd_present(*pmdp) && !pmd_trans_huge(*pmdp) &&
> - !pmd_devmap(*pmdp)) || !pmd_present(*pmdp));
> + || !pmd_present(*pmdp));
That looks broken.
> pmd = pmdp_huge_get_and_clear(vma->vm_mm, addr, pmdp);
> /*
> * if it not a fullmm flush, then we can possibly end up converting
Thanks!
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