Andreas Kling
0dbb22e9e0
Kernel: Remove a handful of unused things in VM/ directory
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Also add some missing initializers.
2021-02-11 22:02:39 +01:00
AnotherTest
09a43969ba
Everywhere: Replace dbgln<flag>(...) with dbgln_if(flag, ...)
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Replacement made by `find Kernel Userland -name '*.h' -o -name '*.cpp' | sed -i -Ee 's/dbgln\b<(\w+)>\(/dbgln_if(\1, /g'`
2021-02-08 18:08:55 +01:00
Tom
affb4ef01b
Kernel: Allow specifying a physical alignment when allocating
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Some drivers may require allocating contiguous physical pages with
a specific alignment for the physical address.
2021-01-28 18:52:59 +01:00
asynts
8465683dcf
Everywhere: Debug macros instead of constexpr.
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This was done with the following script:
find . \( -name '*.cpp' -o -name '*.h' -o -name '*.in' \) -not -path './Toolchain/*' -not -path './Build/*' -exec sed -i -E 's/dbgln<debug_([a-z_]+)>/dbgln<\U\1_DEBUG>/' {} \;
find . \( -name '*.cpp' -o -name '*.h' -o -name '*.in' \) -not -path './Toolchain/*' -not -path './Build/*' -exec sed -i -E 's/if constexpr \(debug_([a-z0-9_]+)/if constexpr \(\U\1_DEBUG/' {} \;
2021-01-25 09:47:36 +01:00
asynts
27bc48e06c
Everywhere: Replace a bundle of dbg with dbgln.
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These changes are arbitrarily divided into multiple commits to make it
easier to find potentially introduced bugs with git bisect.
2021-01-22 22:14:30 +01:00
Tom
b2a52f6208
Kernel: Implement lazy committed page allocation
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By designating a committed page pool we can guarantee to have physical
pages available for lazy allocation in mappings. However, when forking
we will overcommit. The assumption is that worst-case it's better for
the fork to die due to insufficient physical memory on COW access than
the parent that created the region. If a fork wants to ensure that all
memory is available (trigger a commit) then it can use madvise.
This also means that fork now can gracefully fail if we don't have
enough physical pages available.
2021-01-01 23:43:44 +01:00
Liav A
d6e122fd3a
Kernel: Allow contiguous allocations in physical memory
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For that, we have a new type of VMObject, called
ContiguousVMObject, that is responsible for allocating contiguous
physical pages.
2020-03-08 14:13:30 +01:00
