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Kernel: When entering page_in_from_inode(), assert that !physical_page.

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It would be really weird to enter here with a physical page already present
in the VMObject's page slot. Let's assert that this doesn't happen.
This commit is contained in:
Andreas Kling 2019-02-03 02:32:38 +01:00
parent d8a172609c
commit 7e4376d469
Notes: sideshowbarker 2024-07-19 15:53:40 +09:00
1 changed files with 2 additions and 0 deletions
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Kernel/MemoryManager.cpp
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@ -304,6 +304,8 @@ bool MemoryManager::page_in_from_inode(Region& region, unsigned page_index_in_re
auto& vmo_page = vmo.physical_pages()[region.first_page_index() + page_index_in_region];
ASSERT(vmo_page.is_null());
bool interrupts_were_enabled = are_interrupts_enabled();
if (!interrupts_were_enabled)