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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: akpm@linux-foundation.org, Michal Hocko <mhocko@kernel.org>,
	Alexey Kardashevskiy <aik@ozlabs.ru>,
	David Gibson <david@gibson.dropbear.id.au>,
	Andrea Arcangeli <aarcange@redhat.com>,
	mpe@ellerman.id.au
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V7 5/5] testing
Date: Tue, 15 Jan 2019 16:55:57 +0530	[thread overview]
Message-ID: <bd6b4237-064d-0059-3b2c-1f14cdf466f2@linux.ibm.com> (raw)
In-Reply-To: <20190114095438.32470-7-aneesh.kumar@linux.ibm.com>

You can ignore this one.

On 1/14/19 3:24 PM, Aneesh Kumar K.V wrote:
> ---
>   mm/gup.c | 6 ++++--
>   1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/mm/gup.c b/mm/gup.c
> index 6e8152594e83..91849c39931a 100644
> --- a/mm/gup.c
> +++ b/mm/gup.c
> @@ -1226,7 +1226,7 @@ static long check_and_migrate_cma_pages(unsigned long start, long nr_pages,
>   		 * be pinning these entries, we might as well move them out
>   		 * of the CMA zone if possible.
>   		 */
> -		if (is_migrate_cma_page(pages[i])) {
> +		if (true || is_migrate_cma_page(pages[i])) {
>   
>   			struct page *head = compound_head(pages[i]);
>   
> @@ -1256,6 +1256,7 @@ static long check_and_migrate_cma_pages(unsigned long start, long nr_pages,
>   		for (i = 0; i < nr_pages; i++)
>   			put_page(pages[i]);
>   
> +		pr_emerg("migrating nr_pages");
>   		if (migrate_pages(&cma_page_list, new_non_cma_page,
>   				  NULL, 0, MIGRATE_SYNC, MR_CONTIG_RANGE)) {
>   			/*
> @@ -1274,10 +1275,11 @@ static long check_and_migrate_cma_pages(unsigned long start, long nr_pages,
>   		nr_pages = get_user_pages(start, nr_pages, gup_flags, pages, vmas);
>   		if ((nr_pages > 0) && migrate_allow) {
>   			drain_allow = true;
> -			goto check_again;
> +			//goto check_again;
>   		}
>   	}
>   
> +	pr_emerg("Returning with %ld\n", nr_pages);
>   	return nr_pages;
>   }
>   #else
> 


  reply	other threads:[~2019-01-15 11:26 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-14  9:54 [PATCH V7 0/4] mm/kvm/vfio/ppc64: Migrate compound pages out of CMA region Aneesh Kumar K.V
2019-01-14  9:54 ` [PATCH V7 1/4] mm/cma: Add PF flag to force non cma alloc Aneesh Kumar K.V
2019-01-29 22:52   ` Andrew Morton
2019-01-14  9:54 ` [PATCH V7 2/4] mm: Update get_user_pages_longterm to migrate pages allocated from CMA region Aneesh Kumar K.V
2019-01-14  9:54 ` Aneesh Kumar K.V
2019-01-14  9:54 ` [PATCH V7 3/4] powerpc/mm/iommu: Allow migration of cma allocated pages during mm_iommu_do_alloc Aneesh Kumar K.V
2019-01-30 11:34   ` Michael Ellerman
2019-01-31  4:42     ` Aneesh Kumar K.V
2019-01-14  9:54 ` [PATCH V7 4/4] powerpc/mm/iommu: Allow large IOMMU page size only for hugetlb backing Aneesh Kumar K.V
2019-01-14  9:54 ` [PATCH V7 5/5] testing Aneesh Kumar K.V
2019-01-15 11:25   ` Aneesh Kumar K.V [this message]
2019-01-29 22:56 ` [PATCH V7 0/4] mm/kvm/vfio/ppc64: Migrate compound pages out of CMA region Andrew Morton
2019-02-26 23:53 ` Andrew Morton
2019-02-27  8:52   ` Aneesh Kumar K.V
2019-02-27 11:29     ` Michael Ellerman

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