Aneesh Kumar K.V 6be3601517 powerpc/book3s64/radix: add debug message to give more details of vmemmap allocation ... Add some extra vmemmap pr_debug message that will indicate the type of vmemmap allocations. For ex: with DAX vmemmap optimization we can find the below details: [ 187.166580] radix-mmu: PAGE_SIZE vmemmap mapping [ 187.166587] radix-mmu: PAGE_SIZE vmemmap mapping [ 187.166591] radix-mmu: Tail page reuse vmemmap mapping [ 187.166594] radix-mmu: Tail page reuse vmemmap mapping [ 187.166598] radix-mmu: Tail page reuse vmemmap mapping [ 187.166601] radix-mmu: Tail page reuse vmemmap mapping [ 187.166604] radix-mmu: Tail page reuse vmemmap mapping [ 187.166608] radix-mmu: Tail page reuse vmemmap mapping [ 187.166611] radix-mmu: Tail page reuse vmemmap mapping [ 187.166614] radix-mmu: Tail page reuse vmemmap mapping [ 187.166617] radix-mmu: Tail page reuse vmemmap mapping [ 187.166620] radix-mmu: Tail page reuse vmemmap mapping [ 187.166623] radix-mmu: Tail page reuse vmemmap mapping [ 187.166626] radix-mmu: Tail page reuse vmemmap mapping [ 187.166629] radix-mmu: Tail page reuse vmemmap mapping [ 187.166632] radix-mmu: Tail page reuse vmemmap mapping And without vmemmap optimization [ 293.549931] radix-mmu: PMD_SIZE vmemmap mapping [ 293.549984] radix-mmu: PMD_SIZE vmemmap mapping [ 293.550032] radix-mmu: PMD_SIZE vmemmap mapping [ 293.550076] radix-mmu: PMD_SIZE vmemmap mapping [ 293.550117] radix-mmu: PMD_SIZE vmemmap mapping Link: https://lkml.kernel.org/r/20230724190759.483013-14-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Joao Martins <joao.m.martins@oracle.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Muchun Song <muchun.song@linux.dev> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>		2023-08-18 10:12:56 -07:00
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powerpc	powerpc/book3s64/radix: add debug message to give more details of vmemmap allocation	2023-08-18 10:12:56 -07:00
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