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What is the mechanism/system call used to change the size of anonymos mmap() 'ed sections

I have a question about how to track down the source of steadily increasing data footprint of a process in Linux. I have a multi-threaded Linux server, and I am observing that the size of an ...
4
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1answer
542 views

Behavior of mmap'd memory on memory pressure

I have a large tar file (60GB) containing image files. I'm using mmap() on this entire file to read in these images, which are accessed randomly. I'm using mmap() for the following reasons: Thread ...
4
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1answer
2k views

Hung system call

So I'm working with a custom kernel module that I'm writing a python front end for. The kernel module works, and it adds a framebuffer device file to /dev/fb1. I can read and write to it fine. I've ...