diff options
Diffstat (limited to 'arch/parisc/mm/init.c')
| -rw-r--r-- | arch/parisc/mm/init.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 74842d28a7a1..2d7cffcaa476 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -14,7 +14,6 @@ #include <linux/module.h> #include <linux/mm.h> -#include <linux/bootmem.h> #include <linux/memblock.h> #include <linux/gfp.h> #include <linux/delay.h> @@ -494,12 +493,8 @@ static void __init map_pages(unsigned long start_vaddr, pte = pte_mkhuge(pte); } - if (address >= end_paddr) { - if (force) - break; - else - pte_val(pte) = 0; - } + if (address >= end_paddr) + break; set_pte(pg_table, pte); @@ -515,6 +510,19 @@ static void __init map_pages(unsigned long start_vaddr, } } +void __init set_kernel_text_rw(int enable_read_write) +{ + unsigned long start = (unsigned long)__init_begin; + unsigned long end = (unsigned long)_etext; + + map_pages(start, __pa(start), end-start, + PAGE_KERNEL_RWX, enable_read_write ? 1:0); + + /* force the kernel to see the new page table entries */ + flush_cache_all(); + flush_tlb_all(); +} + void __ref free_initmem(void) { unsigned long init_begin = (unsigned long)__init_begin; @@ -612,7 +620,7 @@ void __init mem_init(void) high_memory = __va((max_pfn << PAGE_SHIFT)); set_max_mapnr(page_to_pfn(virt_to_page(high_memory - 1)) + 1); - free_all_bootmem(); + memblock_free_all(); #ifdef CONFIG_PA11 if (boot_cpu_data.cpu_type == pcxl2 || boot_cpu_data.cpu_type == pcxl) { |