[PW_SID:1127642] riscv: mm: Move dma_contiguous_reserve() after NUMA initialization#2283
[PW_SID:1127642] riscv: mm: Move dma_contiguous_reserve() after NUMA initialization#2283linux-riscv-bot wants to merge 2 commits into
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Move the dma_contiguous_reserve() call from setup_bootmem() to misc_mem_init(), placing it after arch_numa_init(). This ensures that NUMA topology is initialized when reserving contiguous memory for DMA. Tested with CMA_SIZE_PERNUMA enabled and two NUMA nodes on QEMU: qemu-system-riscv64 \ -machine virt \ -nographic \ -smp 2 -m 512M \ -numa node,nodeid=0,cpus=0,memdev=m0 \ -numa node,nodeid=1,cpus=1,memdev=m1 \ -object memory-backend-ram,id=m0,size=256M \ -object memory-backend-ram,id=m1,size=256M \ -kernel arch/riscv/boot/Image \ -append "console=ttyS0 earlycon loglevel=7 cma=16M" Unpatched kernel's log (one global CMA pool and no per-nodepools, 16 MiB cma-reserved): [ 0.000000] cma: Reserved 16 MiB at 0x000000009ee00000 ... [ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x000000008fffffff] [ 0.000000] Initmem setup node 1 [mem 0x0000000090000000-0x000000009fffffff] ... [ 0.056397] smp: Brought up 2 nodes, 2 CPUs [ 0.066135] Memory: 449288K/524288K available (12279K kernel code, 5980K rwdata, 6144K rodata, 2467K init, 482K bss, 54504K reserved, 16384K cma-reserved) Patched kernel's log (three CMA pools are created, 48 MiB total), [ 0.000000] cma: Reserved 16 MiB at 0x000000009ee00000 [ 0.000000] cma: Reserved 16 MiB at 0x000000008ee00000 [ 0.000000] cma: Reserved 16 MiB at 0x000000009de00000 ... [ 0.054251] smp: Brought up 2 nodes, 2 CPUs [ 0.064082] Memory: 416520K/524288K available (12279K kernel code, 5980K rwdata, 6144K rodata, 2467K init, 482K bss, 54504K reserved, 49152K cma-reserved) Signed-off-by: Eder Zulian <ezulian@redhat.com> Signed-off-by: Linux RISC-V bot <linux.riscv.bot@gmail.com>
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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Patch 1: "riscv: mm: Move dma_contiguous_reserve() after NUMA initialization" |
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PR for series 1127642 applied to workflow__riscv__fixes
Name: riscv: mm: Move dma_contiguous_reserve() after NUMA initialization
URL: https://patchwork.kernel.org/project/linux-riscv/list/?series=1127642
Version: 1