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document madvise for malloc_trim of quarantines

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Daniel Micay 2021-03-21 19:29:46 -04:00
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README.md
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@ -1008,6 +1008,7 @@ System calls used by all build configurations:
* `mremap(old, old_size, new_size, MREMAP_MAYMOVE|MREMAP_FIXED, new)` * `mremap(old, old_size, new_size, MREMAP_MAYMOVE|MREMAP_FIXED, new)`
* `munmap` * `munmap`
* `write(STDERR_FILENO, buf, len)` (before aborting due to memory corruption) * `write(STDERR_FILENO, buf, len)` (before aborting due to memory corruption)
* `madvise(ptr, size, MADV_DONTNEED)` for `malloc_trim` with slab quarantines
The main distinction from a typical malloc implementation is the use of The main distinction from a typical malloc implementation is the use of
getrandom. A common compatibility issue is that existing system call whitelists getrandom. A common compatibility issue is that existing system call whitelists