From 4cc66a9a4152ef5eed5521a2e8f48f3d456c0bc4 Mon Sep 17 00:00:00 2001 From: Pekka Enberg Date: Thu, 5 Mar 2009 10:54:04 +0200 Subject: [PATCH 04/17] x86: move pgd_base out of init_memory_mapping() Impact: cleanup This patch moves pgd_base out of init_memory_mapping() to reduce the diff between the 32-bit version and the 64-bit version of the function. Cc: Yinghai Lu Signed-off-by: Pekka Enberg --- arch/x86/mm/init_32.c | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 86a9994..cfc68d6 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -227,11 +227,11 @@ static inline int is_kernel_text(unsigned long addr) * of max_low_pfn pages, by creating page tables starting from address * PAGE_OFFSET: */ -static void __init kernel_physical_mapping_init(pgd_t *pgd_base, - unsigned long start_pfn, +static void __init kernel_physical_mapping_init(unsigned long start_pfn, unsigned long end_pfn, int use_pse) { + pgd_t *pgd_base = swapper_pg_dir; int pgd_idx, pmd_idx, pte_ofs; unsigned long pfn; pgd_t *pgd; @@ -509,8 +509,9 @@ void __init native_pagetable_setup_done(pgd_t *base) * be partially populated, and so it avoids stomping on any existing * mappings. */ -static void __init early_ioremap_page_table_range_init(pgd_t *pgd_base) +static void __init early_ioremap_page_table_range_init(void) { + pgd_t *pgd_base = swapper_pg_dir; unsigned long vaddr, end; /* @@ -925,7 +926,6 @@ static int save_mr(struct map_range *mr, int nr_range, unsigned long __init_refok init_memory_mapping(unsigned long start, unsigned long end) { - pgd_t *pgd_base = swapper_pg_dir; unsigned long page_size_mask = 0; unsigned long start_pfn, end_pfn; unsigned long pos; @@ -1040,12 +1040,12 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, find_early_table_space(end, use_pse, use_gbpages); for (i = 0; i < nr_range; i++) - kernel_physical_mapping_init(pgd_base, + kernel_physical_mapping_init( mr[i].start >> PAGE_SHIFT, mr[i].end >> PAGE_SHIFT, mr[i].page_size_mask == (1<