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Augustin Cavalier 60fee365f5 kernel/vm: Allow locking kernel space if allocating page_protections for userspace. Some applications may request per-page protections for an especially large area (e.g. multiple GB), which leads to allocating a rather large page protections area (e.g. 512KB), which we cannot allocate without locking the kernel space to get new slabs. We only need to avoid locking the kernel space if the area in question is in the kernel space, as in that case, kernel space will already be read-locked by the current thread. Fixes #16898. Change-Id: If52413a594da66edfc2821811d959085a2c3c78e Reviewed-on: https://review.haiku-os.org/c/haiku/+/4436 Reviewed-by: waddlesplash <waddlesplash@gmail.com>		2021-09-10 18:49:33 +00:00
3rdparty	Bump vmx files to virtualHW.version = '13'	2021-08-31 16:05:50 +00:00
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src	kernel/vm: Allow locking kernel space if allocating page_protections for userspace.	2021-09-10 18:49:33 +00:00
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ReadMe.md

Haiku

Homepage | Mailing Lists | IRC Channels | Issue Tracker | API docs

Haiku is an open-source operating system that specifically targets personal computing. Inspired by the BeOS, Haiku is fast, simple to use, easy to learn and yet very powerful.

Goals

Sensible defaults with minimal configuration required.
Clean, clear, concise code.
Unified desktop environment.

Trying Haiku

Haiku provides pre-built nightly images and release images. Haiku is compatible with a large variety of hardware, but in case you don't want to "take the plunge" and install Haiku on bare metal, you can install it on a virtual machine (VM) instead. If you've never used a VM before, you can follow one of the "Emulating Haiku" guides.

Compiling Haiku

See ReadMe.Compiling.

Contributing

Haiku is a meritocratic open source project with a large variety of tasks. Even if you can't write code, you can still help! Haiku needs designers, (technical) writers, translators, testers... Get involved and help out!

Contributing code

If you're submitting a patch to us, please make sure you're following the patch submitting guidelines.

If you're having trouble finding something in the source tree, you can use one of our web-based source code browsers:

https://xref.landonf.org/ (OpenGrok, provided by Landon Fuller)
https://git.haiku-os.org/ (git, provided by Haiku, Inc.)

Contributing documentation

The main piece of documentation that still needs work are the API docs (found in the tree at docs/user). Just find an undocumented class, write documentation for it, and submit a patch.