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Kernel: Remove "allow CPU caching" flag on VMObject
This wasn't really thought-through, I was just trying anything to see if it would make WindowServer faster. This doesn't seem to make much of a difference either way, so let's just not do it for now. It's easy to bring back if we think we need it in the future.
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3 changed files with 1 additions and 8 deletions
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@ -675,8 +675,6 @@ void MemoryManager::remap_region_page(Region& region, unsigned page_index_in_reg
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pte.set_writable(false);
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else
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pte.set_writable(region.is_writable());
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pte.set_cache_disabled(!region.vmo().m_allow_cpu_caching);
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pte.set_write_through(!region.vmo().m_allow_cpu_caching);
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pte.set_user_allowed(region.is_user_accessible());
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region.page_directory()->flush(page_vaddr);
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#ifdef MM_DEBUG
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@ -711,8 +709,6 @@ void MemoryManager::map_region_at_address(PageDirectory& page_directory, Region&
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pte.set_writable(false);
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else
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pte.set_writable(region.is_writable());
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pte.set_cache_disabled(!region.vmo().m_allow_cpu_caching);
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pte.set_write_through(!region.vmo().m_allow_cpu_caching);
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} else {
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pte.set_physical_page_base(0);
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pte.set_present(false);
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