diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2008-01-30 15:34:05 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 15:34:05 +0300 |
| commit | f87519e8f4f1de9b39a40e56479a7ad2443169dd (patch) | |
| tree | a7397b18ae3dadde8ec6c173ffcae3948b971c44 /arch | |
| parent | 3cbd09e482ade50d212511d4693bd754d4d9dd55 (diff) | |
| download | linux-f87519e8f4f1de9b39a40e56479a7ad2443169dd.tar.xz | |
x86: introduce max_pfn_mapped
64bit uses end_pfn_map and 32bit uses max_low_pfn. There are several
files which have #ifdef'ed defines which map either to end_pfn_map or
max_low_pfn. Replace this by a universal define and clean up all the
other instances.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/efi.c | 4 | ||||
| -rw-r--r-- | arch/x86/mm/pageattr-test.c | 21 |
2 files changed, 9 insertions, 16 deletions
diff --git a/arch/x86/kernel/efi.c b/arch/x86/kernel/efi.c index 834ecfb41e97..57b57778bf60 100644 --- a/arch/x86/kernel/efi.c +++ b/arch/x86/kernel/efi.c @@ -396,7 +396,7 @@ static void __init runtime_code_page_mkexec(void) md = p; end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT); if (md->type == EFI_RUNTIME_SERVICES_CODE && - (end >> PAGE_SHIFT) <= end_pfn_map) + (end >> PAGE_SHIFT) <= max_pfn_mapped) change_page_attr_addr(md->virt_addr, md->num_pages, PAGE_KERNEL_EXEC_NOCACHE); @@ -429,7 +429,7 @@ void __init efi_enter_virtual_mode(void) continue; end = md->phys_addr + (md->num_pages << EFI_PAGE_SHIFT); if ((md->attribute & EFI_MEMORY_WB) && - ((end >> PAGE_SHIFT) <= end_pfn_map)) + ((end >> PAGE_SHIFT) <= max_pfn_mapped)) md->virt_addr = (unsigned long)__va(md->phys_addr); else md->virt_addr = (unsigned long) diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c index d7a93008cc12..6a41a0f0c149 100644 --- a/arch/x86/mm/pageattr-test.c +++ b/arch/x86/mm/pageattr-test.c @@ -27,13 +27,6 @@ enum { GPS = (1<<30) }; -#ifdef CONFIG_X86_64 -# include <asm/proto.h> -# define max_mapped end_pfn_map -#else -# define max_mapped max_low_pfn -#endif - struct split_state { long lpg, gpg, spg, exec; long min_exec, max_exec; @@ -48,7 +41,7 @@ static __init int print_split(struct split_state *s) s->lpg = s->gpg = s->spg = s->exec = 0; s->min_exec = ~0UL; s->max_exec = 0; - for (i = 0; i < max_mapped; ) { + for (i = 0; i < max_pfn_mapped; ) { unsigned long addr = (unsigned long)__va(i << PAGE_SHIFT); int level; pte_t *pte; @@ -97,8 +90,8 @@ static __init int print_split(struct split_state *s) expected = (s->gpg*GPS + s->lpg*LPS)/PAGE_SIZE + s->spg + missed; if (expected != i) { - printk(KERN_ERR "CPA max_mapped %lu but expected %lu\n", - max_mapped, expected); + printk(KERN_ERR "CPA max_pfn_mapped %lu but expected %lu\n", + max_pfn_mapped, expected); return 1; } return err; @@ -120,22 +113,22 @@ static __init int exercise_pageattr(void) printk(KERN_INFO "CPA exercising pageattr\n"); - bm = vmalloc((max_mapped + 7) / 8); + bm = vmalloc((max_pfn_mapped + 7) / 8); if (!bm) { printk(KERN_ERR "CPA Cannot vmalloc bitmap\n"); return -ENOMEM; } - memset(bm, 0, (max_mapped + 7) / 8); + memset(bm, 0, (max_pfn_mapped + 7) / 8); failed += print_split(&sa); srandom32(100); for (i = 0; i < NTEST; i++) { - unsigned long pfn = random32() % max_mapped; + unsigned long pfn = random32() % max_pfn_mapped; addr[i] = (unsigned long)__va(pfn << PAGE_SHIFT); len[i] = random32() % 100; - len[i] = min_t(unsigned long, len[i], max_mapped - pfn - 1); + len[i] = min_t(unsigned long, len[i], max_pfn_mapped - pfn - 1); if (len[i] == 0) len[i] = 1; |