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(parent: 44bf431) | patch
MIPS: mm: add page valid judgement in function pte_modify
authorBibo Mao <maobibo@loongson.cn>
Wed, 27 May 2020 02:25:20 +0000 (10:25 +0800)
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>
Wed, 27 May 2020 11:07:09 +0000 (13:07 +0200)
commit273b5fa00fadabd587fac858ea61a17b3653892d
tree037132b19edac8ec710d7f4189201d46e155c39ftree | snapshot
parent44bf431b47b4298d8aaba7b02d0ad29fc609a03ccommit | diff
MIPS: mm: add page valid judgement in function pte_modify

If original PTE has _PAGE_ACCESSED bit set, and new pte has no
_PAGE_NO_READ bit set, we can add _PAGE_SILENT_READ bit to enable
page valid bit.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
arch/mips/include/asm/pgtable.h diff | blob | history
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