memblock: make free_reserved_area() update memblock if ARCH_KEEP_MEMBLOCK=y

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On architectures that keep memblock after boot, freeing of reserved memory
with free_reserved_area() is paired with an update of memblock arrays,
usually by a call to memblock_free().

Make free_reserved_area() directly update memblock.reserved when
ARCH_KEEP_MEMBLOCK is enabled.

Remove the now-redundant explicit memblock_free() call from
arm64::free_initmem() and the #ifdef CONFIG_ARCH_KEEP_MEMBLOCK block
from the generic free_initrd_mem().

Link: https://patch.msgid.link/20260323074836.3653702-8-rppt@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>

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This commit is contained in:

Mike Rapoport (Microsoft) 2026-03-23 09:48:34 +02:00

parent 7fbc5e2612

commit b2129a3951

3 changed files with 6 additions and 10 deletions

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3

arch/arm64/mm/init.c

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7

init/initramfs.c

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6

mm/memblock.c

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