Commit fadc6b79 authored Jan 27, 2023 by Keith Packard Committed by Fabio Baltieri Jan 30, 2023

boards/qemu_x86: Don't reserve pages with no picolib heap



When there's no malloc heap needed for picolibc, don't reserve
the page frames that would be needed. This makes sure
the kernel.demand_paging tests provoke the page faults as
expected.

Signed-off-by: Keith Packard <keithp@keithp.com>

parent 6a9a8768

boards/x86/qemu_x86/Kconfig.defconfig

+1 −1

Original line number	Diff line number	Diff line
		@@ -112,6 +112,6 @@ config X86_EXTRA_PAGE_TABLE_PAGES

		config DEMAND_PAGING_PAGE_FRAMES_RESERVE
		# Need to accommodate the heap for newlib in libc-hook.c
		default 6 if NEWLIB_LIBC \|\| PICOLIBC
		default 6 if NEWLIB_LIBC \|\| (PICOLIBC && PICOLIBC_HEAP_SIZE > 0)

		endif # BOARD_QEMU_X86_TINY

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