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,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: [PATCH V7 5/5] testing
Date: Mon, 14 Jan 2019 15:24:38 +0530 [thread overview]
Message-ID: <20190114095438.32470-7-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20190114095438.32470-1-aneesh.kumar@linux.ibm.com>
---
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
--
2.20.1
next prev parent reply other threads:[~2019-01-14 9:55 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 ` Aneesh Kumar K.V [this message]
2019-01-15 11:25 ` [PATCH V7 5/5] testing Aneesh Kumar K.V
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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