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Most of binder's memory allocations are tiny, and they're allocated and freed extremely frequently. The latency from going through the page allocator all the time for such small allocations ends up being quite high, especially when the system is low on memory. Binder is performance-critical, so this is suboptimal. Instead of using kzalloc to allocate a struct every time, reserve caches specifically for allocating each struct quickly. Change-Id: I535d8eb25730babf404c1f9c5d917afcebd63f6e Signed-off-by: Richard Raya <rdxzv.dev@gmail.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.