docs/mm: Physical Memory: fix a reference to a file that doesn't exist

kbuild reports:

>> Warning: Documentation/mm/physical_memory.rst references a file that doesn't exist: Documentation/admin-guide/mm/memory_hotplug.rst

Fix the filename to be 'Documentation/admin-guide/mm/memory-hotplug.rst'.

Reported-by: kernel test robot <[email protected]>
Link: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Fixes: 353c7dd636ed ("docs/mm: Physical Memory: remove useless markup")
Signed-off-by: Mike Rapoport (IBM) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Corbet <[email protected]>

0 files changed, 0 insertions, 0 deletions