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authorSteve Capper <steve.capper@arm.com>2018-09-21 16:34:04 +0100
committerWill Deacon <will.deacon@arm.com>2018-09-24 17:51:50 +0100
commit469ed9d823b7d240d6b9574f061ded7c3834c167 (patch)
tree0573b30be415e0fab582eacac0e86b46acb92150 /kernel/sys_ni.c
parent6bf4ca7fbc85d80446ac01c0d1d77db4d91a6d84 (diff)
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arm64: hugetlb: Fix handling of young ptes
In the contiguous bit hugetlb break-before-make code we assume that all hugetlb pages are young. In fact, remove_migration_pte is able to place an old hugetlb pte so this assumption is not valid. This patch fixes the contiguous hugetlb scanning code to preserve young ptes. Fixes: d8bdcff28764 ("arm64: hugetlb: Add break-before-make logic for contiguous entries") Signed-off-by: Steve Capper <steve.capper@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'kernel/sys_ni.c')
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