Linux mainline fork with MSM8998 patches | https://mainline.space | Currently supported devices:
OnePlus 5/5T, Xiaomi Mi 6, F(x)tec Pro¹ (2019 QX1000 model) & Sony Xperia XZ Premium (UNTESTED!)
3d574a6bbb
In the next patch, we want to reduce the lock coverage within the shrinker, and one of the dangerous walks we have is over obj->vma_list. We are only walking the obj->vma_list in order to check whether it has been permanently pinned by HW access, typically via use on the scanout. But we have a couple of other long term pins, the context objects for which we currently have to check the individual vma pin_count. If we instead mark these using obj->pin_display, we can forgo the dangerous and sometimes slow list iteration. v2: Rearrange code to try and avoid confusion from false associations due to arrangement of whitespace along with rebasing on obj->pin_global. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171013202621.7276-4-chris@chris-wilson.co.uk |
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| README | ||
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.