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On architectures whose hardware has fewer levels, PTL2 and, if need be, PTL1 are
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On architectures whose hardware has fewer levels, PTL2 and, if need be, PTL1 are
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left out. TLB-only architectures are to define custom format for software page
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left out. TLB-only architectures are to define custom format for software page
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tables.
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tables.
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1.2 Single global page hash table
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1.2 Single global page hash table
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Generic page hash table interface is deployed on 64-bit architectures without
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Generic page hash table interface is deployed on 64-bit architectures without
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implied hardware support for hierarchical page tables, i.e. ia64 and sparc64.
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implied hardware support for hierarchical page tables, i.e. ia64 and sparc64.
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There is only one global page hash table in the system shared by all address
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There is only one global page hash table in the system shared by all address
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spaces.
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spaces.
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2. Memory allocators
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2.1 General allocator
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2.1 General allocator
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'malloc' function accepts flags as a second argument. The flags are directly
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'malloc' function accepts flags as a second argument. The flags are directly
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passed to the underlying frame_alloc function.
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passed to the underlying frame_alloc function.
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