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36f1526a59
Add initial 16k page support on arm64. It is considered experimental,
with no guarantee of compatibility with a userspace or kernel modules
built with the current a 4k page size as code will likely try to pass
in a too small size when working with APIs that take a multiple of a
page, e.g. mmap.
As this is experimental, and because userspace and the kernel need to
have the PAGE_SIZE macro kept in sync there is no kernel option to
enable this. To test a new image should be built with the
PAGE_{SIZE,SHIFT,MASK} macros changed to the 16k versions.
There are currently known issues with loading modules from an old
loader as it can misalign them to load on a non-16k boundary.
Testing has shown good results in kernel workloads that allocate and
free large amounts of memory as only a quarter of the number of calls
into the VM subsystem are needed in the best case.
Reviewed by: markj
Tested by: gallatin
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D34793
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| .. | ||
| acpica | ||
| arm64 | ||
| broadcom | ||
| cavium | ||
| conf | ||
| coresight | ||
| freescale/imx | ||
| include | ||
| intel | ||
| iommu | ||
| linux | ||
| nvidia/tegra210 | ||
| qoriq | ||
| qualcomm | ||
| rockchip | ||