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linux/arch
Ard Biesheuvel 3d3fe7cf1f arm64: mm: check at build time that PAGE_OFFSET divides the VA space evenly
Commit 8439e62a15 ("arm64: mm: use bit ops rather than arithmetic in
pa/va translations") changed the boundary check against PAGE_OFFSET from
an arithmetic comparison to a bit test. This means we now silently assume
that PAGE_OFFSET is a power of 2 that divides the kernel virtual address
space into two equal halves. So make that assumption explicit.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
(cherry picked from commit 6d2aa549de)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
2016-05-12 08:41:11 +08:00
..
2016-04-12 09:08:54 -07:00
2015-11-22 11:35:26 +01:00
2015-11-26 22:25:58 +08:00