arm64: mm: fold init_pgd() into __create_pgd_mapping()

The routine __create_pgd_mapping() does nothing except calling init_pgd(),
which has no other callers. So fold the latter into the former. Also, drop
a comment that has gone stale.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 9d2d7cf..a96a241 100644 (file)
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -239,16 +239,14 @@ static void alloc_init_pud(pgd_t *pgd, unsigned long addr, unsigned long end,
        pud_clear_fixmap();
 }
 
-/*
- * Create the page directory entries and any necessary page tables for the
- * mapping specified by 'md'.
- */
-static void init_pgd(pgd_t *pgd, phys_addr_t phys, unsigned long virt,
-                                   phys_addr_t size, pgprot_t prot,
-                                   phys_addr_t (*pgtable_alloc)(void),
-                                   bool allow_block_mappings)
+static void __create_pgd_mapping(pgd_t *pgdir, phys_addr_t phys,
+                                unsigned long virt, phys_addr_t size,
+                                pgprot_t prot,
+                                phys_addr_t (*pgtable_alloc)(void),
+                                bool allow_block_mappings)
 {
        unsigned long addr, length, end, next;
+       pgd_t *pgd = pgd_offset_raw(pgdir, virt);
 
        /*
         * If the virtual and physical address don't have the same offset
@@ -280,16 +278,6 @@ static phys_addr_t late_pgtable_alloc(void)
        return __pa(ptr);
 }
 
-static void __create_pgd_mapping(pgd_t *pgdir, phys_addr_t phys,
-                                unsigned long virt, phys_addr_t size,
-                                pgprot_t prot,
-                                phys_addr_t (*alloc)(void),
-                                bool allow_block_mappings)
-{
-       init_pgd(pgd_offset_raw(pgdir, virt), phys, virt, size, prot, alloc,
-                allow_block_mappings);
-}
-
 /*
  * This function can only be used to modify existing table entries,
  * without allocating new levels of table. Note that this permits the