Searched refs:kIOMemoryPersistent (Results 1 - 2 of 2) sorted by relevance

/darwin-on-arm/xnu/iokit/IOKit/
H A DIOMemoryDescriptor.h93 kIOMemoryPersistent = 0x00010000, enumerator in enum:__anon602
421 @discussion If the original memory descriptor's address and length is still backed by the same real memory, i.e. the user hasn't deallocated and the reallocated memory at the same address then the original memory descriptor is returned with a additional reference. Otherwise we build a totally new memory descriptor with the same characteristics as the previous one but with a new view of the vm. Note not legal to call this function with anything except an IOGeneralMemoryDescriptor that was created with the kIOMemoryPersistent option.
/darwin-on-arm/xnu/iokit/Kernel/
H A DIOMemoryDescriptor.cpp617 if ( !(orig->_flags & kIOMemoryPersistent) || !dataP)
882 if ( (kIOMemoryPersistent & _flags) && !_memEntry)

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