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Where does alloc() get the memory from?

 
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pinnerpine
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PostPosted: Wed Feb 03, 2016 4:57 am    Post subject: Where does alloc() get the memory from? Reply with quote

1. Does it get it from the stack, heap or a page from the operating system?
2. What is the minimum memory it allocates? ex. if I ask for 1 byte does it allocate 32?
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Dark Byte
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PostPosted: Wed Feb 03, 2016 5:05 am    Post subject: Reply with quote

1: page

2: 4096.
doing multiple allocs in one script will group it into the same page, so do watch your alloc size. (an alloc of 1 byte will cause the next alloc to be 1 byte after it. so alignment is something you may want to keep in mind as well)

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