powerpc/64s/hash: Update directMap page counters for Hash

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Update the directMap page counters for Hash. Hash by default always uses
mmu_linear_psize only, for it's directMap. However, once the kernel has
booted and the dmesg log is wrapped over there is no way of knowing the
kernel linear pagesize with Hash mmu. Features like debug_page_alloc can
make mmu_linear_psize to be PAGE_SIZE instead of PMD / PUD mappings. It
would be easier if we have this info printed in proc meminfo similar to
Radix for debugging purposes.

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/208e6f946d2ba9c1e2b8b4f665728abe5c891e7c.1761834163.git.ritesh.list@gmail.com

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Ritesh Harjani (IBM) 2025-10-30 20:27:32 +05:30 • committed by Madhavan Srinivasan

parent b80691e25e

commit b296fda58d

1 changed files with 14 additions and 0 deletions

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arch/powerpc/mm/book3s64/hash_utils.c

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