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Topic Title: >4GB memory allocation
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Created On: 07/01/2004 10:00 AM
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 07/01/2004 10:00 AM
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grabner
Junior Member

Posts: 1
Joined: 07/01/2004

Is it possible to allocate a single chunk of memory larger than 4GB with an Athlon64 under Linux (given a sufficient amount of swap space), i.e., doing something like

void *buf = malloc(5000000000);

in C/C++? The CPU should support it due to the 64 bit architecture, but how do the compiler (gcc-3.3.x), the system libraries (glibc-2.3.x) and the kernel (Linux-2.6.x) handle this?

Thanks,
Markus
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