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manybutfinite.com | ||
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blog.nelhage.com
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| | | | | tl;dr "Transparent Hugepages" is a Linux kernel feature intended to improve performance by making more efficient use of your processor's memory-mapping hardware. It is enabled ("enabled=always") by default in most Linux distributions. Transparent Hugepages gives some applications a small performance improvement (~ 10% at best, 0-3% more typically), but can cause significant performance problems, or even apparent memory leaks at worst. To avoid these problems, you should set enabled=madvise on your server... | |
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membarrier.wordpress.com
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| | | | | In the previous post we saw how the memory management unit (MMU) uses page tables to translate virtual addresses into physical ones. We will now consider the various features that such a translation enables in an operating system. In the discussion below, it is important to remember that the granularity of translation is a single... | |
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cpu.land
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| | | | | Curious exactly what happens when you run a program on your computer? Learn how multiprocessing works, what system calls really are, how computers manage memory with hardware interrupts, and how Linux loads executables. | |
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blog.infosectcbr.com.au
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| | | Dr Silvio Cesare @silviocesare Summary Free list poisoning in a common heap exploitation technique which corrupts a heap allocators's ... | ||
