diff options
| author | Andi Kleen <ak@suse.de> | 2005-09-12 18:49:24 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-12 19:49:57 +0200 |
| commit | b9aac10dddd927f0b9cfcca19a272ded87015574 (patch) | |
| tree | 4a841306db9b3fb94f7b4ae550cac2c994343dba | |
| parent | [PATCH] x86-64: Use e820_find_hole to compute reserved pages (diff) | |
| download | linux-b9aac10dddd927f0b9cfcca19a272ded87015574.tar.xz linux-b9aac10dddd927f0b9cfcca19a272ded87015574.zip | |
[PATCH] x86-64: Remove redundant max_mapnr and replace with end_pfn
The FLATMEM people added it, but there doesn't seem a good reason
because end_pfn is identical.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/x86_64/mm/init.c | 5 | ||||
| -rw-r--r-- | include/asm-x86_64/page.h | 4 | ||||
| -rw-r--r-- | include/asm-x86_64/proto.h | 2 |
3 files changed, 3 insertions, 8 deletions
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index 5659d979316d..b6a826d6c182 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c @@ -411,11 +411,6 @@ void __init mem_init(void) #ifdef CONFIG_NUMA totalram_pages = numa_free_all_bootmem(); #else - -#ifdef CONFIG_FLATMEM - max_mapnr = end_pfn; - if (!mem_map) BUG(); -#endif totalram_pages = free_all_bootmem(); #endif reservedpages = end_pfn - totalram_pages - e820_hole_size(0, end_pfn); diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h index 135ffaa0393b..e5ab4d231f2c 100644 --- a/include/asm-x86_64/page.h +++ b/include/asm-x86_64/page.h @@ -32,6 +32,8 @@ #ifdef __KERNEL__ #ifndef __ASSEMBLY__ +extern unsigned long end_pfn; + void clear_page(void *); void copy_page(void *, void *); @@ -111,7 +113,7 @@ typedef struct { unsigned long pgprot; } pgprot_t; #ifdef CONFIG_FLATMEM #define pfn_to_page(pfn) (mem_map + (pfn)) #define page_to_pfn(page) ((unsigned long)((page) - mem_map)) -#define pfn_valid(pfn) ((pfn) < max_mapnr) +#define pfn_valid(pfn) ((pfn) < end_pfn) #endif #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h index f7574196424e..764b5f822ce2 100644 --- a/include/asm-x86_64/proto.h +++ b/include/asm-x86_64/proto.h @@ -93,8 +93,6 @@ extern int unhandled_signal(struct task_struct *tsk, int sig); extern void select_idle_routine(const struct cpuinfo_x86 *c); extern void swiotlb_init(void); -extern unsigned long max_mapnr; -extern unsigned long end_pfn; extern unsigned long table_start, table_end; extern int exception_trace; |