The patch titled
Subject: mm/hugetlb/migration: use set_huge_pte_at instead of set_pte_at
has been added to the -mm tree. Its filename is
mm-hugetlb-migration-use-set_huge_pte_at-instead-of-set_pte_at.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-hugetlb-migration-use-set_huge_pte_at-instead-of-set_pte_at.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-hugetlb-migration-use-set_huge_pte_at-instead-of-set_pte_at.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Subject: mm/hugetlb/migration: use set_huge_pte_at instead of set_pte_at
Patch series "HugeTLB migration support for PPC64", v2.
This patch (of 9):
The right interface to use to set a hugetlb pte entry is set_huge_pte_at.
Use that instead of set_pte_at.
Link: http://lkml.kernel.org/r/1494926612-23928-2-git-send-email-aneesh.kumar@xxxxxxxxxxxxxxxxxx
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Mike Kravetz <kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/migrate.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
diff -puN mm/migrate.c~mm-hugetlb-migration-use-set_huge_pte_at-instead-of-set_pte_at mm/migrate.c
--- a/mm/migrate.c~mm-hugetlb-migration-use-set_huge_pte_at-instead-of-set_pte_at
+++ a/mm/migrate.c
@@ -227,25 +227,26 @@ static bool remove_migration_pte(struct
if (is_write_migration_entry(entry))
pte = maybe_mkwrite(pte, vma);
+ flush_dcache_page(new);
#ifdef CONFIG_HUGETLB_PAGE
if (PageHuge(new)) {
pte = pte_mkhuge(pte);
pte = arch_make_huge_pte(pte, vma, new, 0);
- }
-#endif
- flush_dcache_page(new);
- set_pte_at(vma->vm_mm, pvmw.address, pvmw.pte, pte);
-
- if (PageHuge(new)) {
+ set_huge_pte_at(vma->vm_mm, pvmw.address, pvmw.pte, pte);
if (PageAnon(new))
hugepage_add_anon_rmap(new, vma, pvmw.address);
else
page_dup_rmap(new, true);
- } else if (PageAnon(new))
- page_add_anon_rmap(new, vma, pvmw.address, false);
- else
- page_add_file_rmap(new, false);
+ } else
+#endif
+ {
+ set_pte_at(vma->vm_mm, pvmw.address, pvmw.pte, pte);
+ if (PageAnon(new))
+ page_add_anon_rmap(new, vma, pvmw.address, false);
+ else
+ page_add_file_rmap(new, false);
+ }
if (vma->vm_flags & VM_LOCKED && !PageTransCompound(new))
mlock_vma_page(new);
_
Patches currently in -mm which might be from aneesh.kumar@xxxxxxxxxxxxxxxxxx are
mm-hugetlb-migration-use-set_huge_pte_at-instead-of-set_pte_at.patch
mm-follow_page_mask-split-follow_page_mask-to-smaller-functions.patch
mm-hugetlb-export-hugetlb_entry_migration-helper.patch
mm-hugetlb-move-default-definition-of-hugepd_t-earlier-in-the-header.patch
mm-follow_page_mask-add-support-for-hugepage-directory-entry.patch
powerpc-hugetlb-add-follow_huge_pd-implementation-for-ppc64.patch
powerpc-mm-hugetlb-remove-follow_huge_addr-for-powerpc.patch
powerpc-hugetlb-enable-hugetlb-migration-for-ppc64.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
