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x86/mm: Drop unnecessary export of "ptdump_walk_pgd_level_debugfs"

Don't export "ptdump_walk_pgd_level_debugfs" as its sole user is
arch/x86/mm/debug_pagetables.c, which can't be built as a module.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://patch.msgid.link/20251112173944.1380633-4-seanjc%40google.com

authored by

Sean Christopherson and committed by
Dave Hansen e6f2d586 9c26c91e

-1
-1
arch/x86/mm/dump_pagetables.c
··· 486 486 #endif 487 487 ptdump_walk_pgd_level_core(m, mm, pgd, false, false); 488 488 } 489 - EXPORT_SYMBOL_GPL(ptdump_walk_pgd_level_debugfs); 490 489 491 490 void ptdump_walk_user_pgd_level_checkwx(void) 492 491 {