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Pages should not be marked as accessed when initially mapping them. However, there's a short interval during kernel startup when new pages are mapped but the fault handler is not installed yet. Therefore, we set Accessed Flag to 1 in early_map. Once the kernel initialization has progressed enough, we start mapping new pages with Accessed Flag set to 0. The chicken and egg problem of initially mapping the vector page is tackled by preallocating the vector page in the boot loader. Change-Id: Ie3be4f81812d7a090af57e8c79420598d16182b9 Reviewed-on: https://review.haiku-os.org/c/haiku/+/6450 Reviewed-by: Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org> |
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