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| author | Peter Collingbourne <pcc@google.com> | 2022-11-04 02:10:37 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-11-29 10:26:07 +0100 |
| commit | ef6458b1b6ca3fdb991ce4182e981a88d4c58c0f (patch) | |
| tree | d52ed45ee1bde6bbe472830fb429d3917d6bb20e /arch/arm64/kernel/cpufeature.c | |
| parent | KVM: arm64: Simplify the sanitise_mte_tags() logic (diff) | |
| download | linux-ef6458b1b6ca3fdb991ce4182e981a88d4c58c0f.tar.xz linux-ef6458b1b6ca3fdb991ce4182e981a88d4c58c0f.zip | |
mm: Add PG_arch_3 page flag
As with PG_arch_2, this flag is only allowed on 64-bit architectures due
to the shortage of bits available. It will be used by the arm64 MTE code
in subsequent patches.
Signed-off-by: Peter Collingbourne <pcc@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Steven Price <steven.price@arm.com>
[catalin.marinas@arm.com: added flag preserving in __split_huge_page_tail()]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221104011041.290951-5-pcc@google.com
Diffstat (limited to 'arch/arm64/kernel/cpufeature.c')
0 files changed, 0 insertions, 0 deletions