Commit Graph

18 Commits

Author SHA1 Message Date
Drew Galbraith 71431189c9 [Zion] Ensure memory alignment of large allocations. 2024-08-17 12:53:25 -07:00
Drew Galbraith 8e827a5dfb [Mammoth] Move all callers of FromCapability to OwnedMemoryObject. 2023-11-19 20:33:15 -08:00
Drew Galbraith 92d8a02291 [Zion] Cleanup memory debug statistics slightly. 2023-11-15 13:10:53 -08:00
Drew Galbraith 10d16e129f [Zion] Use a slab allocator for 64 byte and 128 byte allocs.
This has no effect on page usage for now (each uses a small amount of
pages so has some overhead.

However it does reduce the active allocations from
234 -> 146 (64B)
61 -> 51 (128B)
2023-11-15 13:06:14 -08:00
Drew Galbraith cc16210e90 [Zion] Use slab allocators immediately during heap init. 2023-11-15 13:02:34 -08:00
Drew Galbraith 659f122c9e [Zion] Free memory that was allocated with the slab allocator.
This reduces the number of active allocs by ~ 200.
Size 8: 142 -> 2
Size 16: 319 > 313
Size 32: 364-> 312
2023-11-15 12:53:14 -08:00
Drew Galbraith 6d27ee5dc5 [Zion] Add more debug information about kernel heap usage.
This will be helpful as we work to improve it.

Without deallocations, we currently stand at the following alloc numbers
8 - 142
16 - 319
32 - 364

unsized - 305

total page usage including slabs is 12.
2023-11-15 12:36:18 -08:00
Drew Galbraith 4657c46f73 [Zion] Fix kernel heap distribution calculation. 2023-11-15 12:14:58 -08:00
Drew Galbraith d71d543b2a [Zion] Move to a kernel slab allocator that will allow easier dealloc. 2023-11-15 12:04:35 -08:00
Drew Galbraith e5568450c2 [Zion] Make kernel slab allocation failures less chatty.
We started to hit this constraint but the allocators are due for
a redesign that actually does deallocation soon.
2023-11-15 09:45:37 -08:00
Drew Galbraith 69aced2220 [Zion] Move to StrFormat for debug line. 2023-11-05 09:24:09 -08:00
Drew Galbraith ee603b7478 [zion] Add a basic slab allocator to the kernel.
Don't free from the slab allocator yet but allocations appear to work.
2023-08-02 00:54:39 -07:00
Drew Galbraith 02e6b49d90 [glacier] Add a vector class 2023-06-26 15:46:03 -07:00
Drew Galbraith b6735d3175 [zion] Fix an over-allocation bug when creating a memory object 2023-06-12 20:55:53 -07:00
Drew Galbraith eb04242a59 Add a debug mode for the KernelHeap. 2023-06-07 10:01:22 -07:00
Drew Galbraith cb41953354 Scheduler with working threads.
Currently only one process but it is a start.
2023-05-18 13:24:02 -07:00
Drew Galbraith 4380590af2 Add new and delete operator implementations to the kernel heap.
For now delete does nothing.
2023-05-18 11:29:44 -07:00
Drew Galbraith 0b7e667368 Add a basic kernel heap object.
Currently allocation always fails because we don't
have a way to allocate a physical page.
2023-05-18 10:59:39 -07:00