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The hyp buddy allocator currently checks the struct hyp_page list node to see if a page is available for allocation or not when trying to coalesce memory. Now that decrementing the refcount and attaching to the buddy tree is done in the same critical section, we can rely on the refcount of the buddy page to be in sync, which allows to replace the list node check by a refcount check. This will ease removing the list node from struct hyp_page later on. Signed-off-by: Quentin Perret <qperret@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210608114518.748712-3-qperret@google.com |
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| .. | ||
| include | ||
| nvhe | ||
| vhe | ||
| aarch32.c | ||
| entry.S | ||
| exception.c | ||
| fpsimd.S | ||
| hyp-entry.S | ||
| Makefile | ||
| pgtable.c | ||
| reserved_mem.c | ||
| vgic-v2-cpuif-proxy.c | ||
| vgic-v3-sr.c | ||