mm: memblock: show all region flags in debugfs

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Commit 493f349e38 ("memblock: Add flags and nid info in memblock
debugfs") made memblock_debug_show() stop after finding the first set
flag. A memblock region can carry multiple flags, so the remaining flags
are hidden from debugfs.

Walk all bits in the region flags and print every set flag separated by
"|". Keep walking beyond flagname[] so that a set flag without a known
name is reported as UNKNOWN rather than silently ignored.

Fixes: 493f349e38 ("memblock: Add flags and nid info in memblock debugfs")
Signed-off-by: Meijing Zhao <zhaomeijing@lixiang.com>
Link: https://patch.msgid.link/20260902075944.3742866-1-zhaomeijing100@gmail.com
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>

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Meijing Zhao 2026-09-02 15:59:44 +08:00 • committed by Mike Rapoport (Microsoft)

parent cee9395acd

commit e2d5b01f87

1 changed files with 11 additions and 7 deletions

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mm/memblock.c

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