]> www.infradead.org Git - users/jedix/linux-maple.git/commit
mm/memblock: repeat setting reserved region nid if array is doubled
authorWei Yang <richard.weiyang@gmail.com>
Tue, 18 Mar 2025 07:19:47 +0000 (07:19 +0000)
committerMike Rapoport (Microsoft) <rppt@kernel.org>
Mon, 7 Apr 2025 06:28:01 +0000 (09:28 +0300)
commiteac8ea8736ccc09513152d970eb2a42ed78e87e8
treed0ac7a16783708306a21f288d1c10850832e9272
parent06eaa824fd239edd1eab2754f29b2d03da313003
mm/memblock: repeat setting reserved region nid if array is doubled

Commit 61167ad5fecd ("mm: pass nid to reserve_bootmem_region()") introduce
a way to set nid to all reserved region.

But there is a corner case it will leave some region with invalid nid.
When memblock_set_node() doubles the array of memblock.reserved, it may
lead to a new reserved region before current position. The new region
will be left with an invalid node id.

Repeat the process when detecting it.

Fixes: 61167ad5fecd ("mm: pass nid to reserve_bootmem_region()")
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Mike Rapoport <rppt@kernel.org>
CC: Yajun Deng <yajun.deng@linux.dev>
CC: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250318071948.23854-3-richard.weiyang@gmail.com
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
mm/memblock.c