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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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fb435d5233
Currently units are mapped sequentially into address space. This patch adds pcpu_unit_offsets[] which allows units to be mapped to arbitrary offsets from the chunk base address. This is necessary to allow sparse embedding which might would need to allocate address ranges and memory areas which aren't aligned to unit size but allocation atom size (page or large page size). This also simplifies things a bit by removing the need to calculate offset from unit number. With this change, there's no need for the arch code to know pcpu_unit_size. Update pcpu_setup_first_chunk() and first chunk allocators to return regular 0 or -errno return code instead of unit size or -errno. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: David S. Miller <davem@davemloft.net> |
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| boot | ||
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| include/asm | ||
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| math-emu | ||
| mm | ||
| oprofile | ||
| prom | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||