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24b2a6c93a6fcb8d539d80dca23a68f8e44528b8
ladybird/Kernel/VM
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Brian Gianforcaro 1415b2cfc3 Kernel: Do not allocate AnonymousVMObject's under spin lock 
Spinlocks guard short regions, with hopefully no other locks being taken
in the process. Violating constraints usually had detrimental effects on
platform stability as well as performance and scalability. Allocating
memory takes it own locks, and can in some cases even allocate new
regions, and thus violates these tenants.

Move the AnonymousVMObject creation outside of the spinlock as
creation does not modify any shared state.
2021-05-20 08:10:07 +02:00
..
AllocationStrategy.h
Everywhere: Use "the SerenityOS developers." in copyright headers
2021-04-29 00:59:26 +02:00
AnonymousVMObject.cpp
AK+Kernel+LibELF: Remove the need for IteratorDecision::Continue
2021-05-16 10:36:52 +01:00
AnonymousVMObject.h
AK+Kernel+LibELF: Remove the need for IteratorDecision::Continue
2021-05-16 10:36:52 +01:00
ContiguousVMObject.cpp
AK: Rename adopt() to adopt_ref()
2021-04-23 16:46:57 +02:00
ContiguousVMObject.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
InodeVMObject.cpp
Kernel: Remove the now defunct LOCKER(..) macro.
2021-04-25 09:38:27 +02:00
InodeVMObject.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
MappedROM.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
MemoryManager.cpp
Kernel: Do not allocate AnonymousVMObject's under spin lock
2021-05-20 08:10:07 +02:00
MemoryManager.h
Kernel: static vs non-static constexpr variables
2021-05-19 21:21:47 +01:00
PageDirectory.cpp
Kernel: static vs non-static constexpr variables
2021-05-19 21:21:47 +01:00
PageDirectory.h
AK: Rename adopt() to adopt_ref()
2021-04-23 16:46:57 +02:00
PageFaultResponse.h
Everywhere: Use "the SerenityOS developers." in copyright headers
2021-04-29 00:59:26 +02:00
PhysicalPage.cpp
AK: Rename adopt() to adopt_ref()
2021-04-23 16:46:57 +02:00
PhysicalPage.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
PhysicalRegion.cpp
AK: Rename adopt() to adopt_ref()
2021-04-23 16:46:57 +02:00
PhysicalRegion.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
PrivateInodeVMObject.cpp
AK: Rename adopt() to adopt_ref()
2021-04-23 16:46:57 +02:00
PrivateInodeVMObject.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
ProcessPagingScope.cpp
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
ProcessPagingScope.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
PurgeablePageRanges.cpp
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
PurgeablePageRanges.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
Range.cpp
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
Range.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
RangeAllocator.cpp
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
RangeAllocator.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
Region.cpp
Kernel: Change Inode::{read/write}_bytes interface to KResultOr<ssize_t>
2021-05-02 13:27:37 +02:00
Region.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
RingBuffer.cpp
Kernel: Create VM::RingBuffer class
2021-05-13 10:00:42 +02:00
RingBuffer.h
Kernel: Create VM::RingBuffer class
2021-05-13 10:00:42 +02:00
ScatterGatherList.cpp
Kernel: Make AnonymousVMObject physical page APIs OOM safe
2021-05-15 09:01:32 +02:00
ScatterGatherList.h
Kernel: Make AnonymousVMObject physical page APIs OOM safe
2021-05-15 09:01:32 +02:00
SharedInodeVMObject.cpp
AK: Rename adopt() to adopt_ref()
2021-04-23 16:46:57 +02:00
SharedInodeVMObject.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
Space.cpp
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
Space.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
TypedMapping.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
VMObject.cpp
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00
VMObject.h
Everything: Move to SPDX license identifiers in all files.
2021-04-22 11:22:27 +02:00