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32 inline bool isPageAligned(void* address) { return !(reinterpret_cast<intptr_t>(address) & (pageSize() - 1)); }
33 inline bool isPageAligned(size_t size) { return !(size & (pageSize() - 1)); }
34 inline bool isPowerOfTwo(size_t size) { return !(size & (size - 1)); }
39 PageBlock(const PageBlock&);
40 PageBlock(void*, size_t, bool hasGuardPages);
42 void* base() const { return m_base; }
43 size_t size() const { return m_size; }
45 operator bool() const { return !!m_realBase; }
47 bool contains(void* containedBase, size_t containedSize)
49 return containedBase >= m_base
50 && (static_cast<char*>(containedBase) + containedSize) <= (static_cast<char*>(m_base) + m_size);
59 inline PageBlock::PageBlock()
66 inline PageBlock::PageBlock(const PageBlock& other)
67 : m_realBase(other.m_realBase)
68 , m_base(other.m_base)
69 , m_size(other.m_size)
73 inline PageBlock::PageBlock(void* base, size_t size, bool hasGuardPages)
75 , m_base(static_cast<char*>(base) + ((base && hasGuardPages) ? pageSize() : 0))
83 using WTF::isPageAligned;
84 using WTF::isPageAligned;
85 using WTF::isPowerOfTwo;