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document free slabs quarantine

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Daniel Micay 2018-10-14 22:19:10 -04:00
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@ -126,6 +126,9 @@ allocation and then unmapped on free.
* Entire slab region starts out non-readable and non-writable * Entire slab region starts out non-readable and non-writable
* Slabs beyond the cache limit are purged and become non-readable and * Slabs beyond the cache limit are purged and become non-readable and
non-writable memory again non-writable memory again
* Placed into a queue for reuse in FIFO order to maximize the time
spent memory protected
* Randomized array is used to add a random delay for reuse
* Fine-grained randomization within memory regions * Fine-grained randomization within memory regions
* Randomly sized guard regions for large allocations * Randomly sized guard regions for large allocations
* Random slot selection within slabs * Random slot selection within slabs