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MM: straight mapping

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Change-Id: I70871f8c382fb00aa719ed501cc5de436d916d7f
This commit is contained in:
Balazs Gerofi
2020-05-27 13:54:04 +09:00
committed by Masamichi Takagi
parent 100bbe6231
commit 201f5ce500
13 changed files with 385 additions and 21 deletions
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8
arch/arm64/kernel/memory.c
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@ -2344,6 +2344,14 @@ static int clear_range(struct page_table *pt, struct process_vm *vm,
if (memobj && ((memobj->flags & MF_PREMAP))) {
args.free_physical = 0;
}
if (vm->proc->straight_va &&
(void *)start == vm->proc->straight_va &&
(void *)end == (vm->proc->straight_va +
vm->proc->straight_len)) {
args.free_physical = 0;
}
args.memobj = memobj;
args.vm = vm;