linux-kernel - Re: [PATCH 06/14] vrange: Add basic functions to purge volatile pages

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Message-ID: <1380795744.3392.3.camel@AMDC1943>
Date:	Thu, 03 Oct 2013 12:22:24 +0200
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/14] vrange: Add basic functions to purge volatile
 pages

On śro, 2013-10-02 at 17:51 -0700, John Stultz wrote:
> +static void try_to_discard_one(struct vrange_root *vroot, struct page *page,
> +				struct vm_area_struct *vma, unsigned long addr)
> +{
> +	struct mm_struct *mm = vma->vm_mm;
> +	pte_t *pte;
> +	pte_t pteval;
> +	spinlock_t *ptl;
> +
> +	VM_BUG_ON(!PageLocked(page));
> +
> +	pte = page_check_address(page, mm, addr, &ptl, 0);
> +	if (!pte)
> +		return;
> +
> +	BUG_ON(vma->vm_flags & (VM_SPECIAL|VM_LOCKED|VM_MIXEDMAP|VM_HUGETLB));
> +
> +	flush_cache_page(vma, addr, page_to_pfn(page));

It seems that this patch is different in your GIT repo
(git://git.linaro.org/people/jstultz/android-dev.git dev/vrange-v9). In
GIT it is missing the fix: s/address/addr.

Best regards,
Krzysztof



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