431fb8abd7
It can useful for code outside the VM system to look up the NUMA domain of a page backing a virtual or physical address, specifically when creating NUMA-aware data structures. We have _vm_phys_domain() for this, but the leading underscore implies that it's an internal function, and vm_phys.h has dependencies on a number of other headers. Rename vm_phys_domain() to vm_page_domain(), and _vm_phys_domain() to vm_phys_domain(). Make the latter an inline function. Add _vm_phys.h and define struct vm_phys_seg there so that it's easier to use in other headers. Include it from vm_page.h so that vm_page_domain() can be defined there. Include machine/vmparam.h from _vm_phys.h since it depends directly on some constants defined there. Reviewed by: alc Reviewed by: dougm, kib (earlier versions) Differential Revision: https://reviews.freebsd.org/D27207 |
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