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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@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Mike Kravetz <kravetz@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Aneesh Kumar K.V 2017-07-06 15:38:41 -07:00 committed by Linus Torvalds
parent 94310cbcaa
commit 383321ab85
1 changed files with 11 additions and 10 deletions
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21
mm/migrate.c
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@ -227,25 +227,26 @@ static bool remove_migration_pte(struct page *page, struct vm_area_struct *vma,
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);