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[userspace LL] disable VMH, increase heap #11173

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[userspace LL] disable VMH, increase heap #11173

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2 changes: 2 additions & 0 deletions app/overlays/ptl/ll_userspace_overlay.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -37,3 +37,5 @@ CONFIG_XRUN_NOTIFICATIONS_ENABLE=n
# enabled and uses the vmh allocation intended for KBP.

@kv2019i kv2019i Sep 7, 2026

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"vregion use isn't sufficient" is a bit hard to understand. Maybe something like "During the transition period when vregion is not yet used by all modules, we temporarily increase..."

# TODO: needs some better solution to allocate
CONFIG_SOF_ZEPHYR_SYS_USER_HEAP_SIZE=0x80000

CONFIG_VIRTUAL_HEAP=n
5 changes: 3 additions & 2 deletions zephyr/Kconfig
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Expand Up @@ -84,7 +84,7 @@ config SOF_ZEPHYR_HEAP_SIZE
hex "Size of the Zephyr heap for SOF"
default 0x40000 if VIRTUAL_HEAP
default 0xF0000 if SOC_ACE15_MTPM || SOC_ACE20_LNL
default 0xD0000 if SOC_ACE30 || SOC_ACE40
default 0x100000 if SOC_ACE30 || SOC_ACE40
default 0x0
help
Support scaling of the heap size for different platforms and different types
Expand Down Expand Up @@ -129,7 +129,8 @@ config SOF_ZEPHYR_VIRTUAL_HEAP_REGION_SIZE
hex "Size in bytes of virtual memory region for virtual heap shared for all cores"
depends on MM_DRV_INTEL_ADSP_MTL_TLB
default 0x140000 if VIRTUAL_HEAP_EXTENDED
default 0x100000
default 0x100000 if VIRTUAL_HEAP
default 0x0
Comment on lines 131 to +133
help
This config defines size of virtual heap region shared between all cores

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