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| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-03-05 01:10:44 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-05 14:53:10 +0100 |
| commit | dc16ecf7fd1fad7436832121435d4926a81d469e (patch) | |
| tree | f33060fc5aec6105c624ad660711f87bc8c074c9 /arch/x86/mm/init_32.c | |
| parent | x86: clean up old gcc warnings (diff) | |
| download | linux-dc16ecf7fd1fad7436832121435d4926a81d469e.tar.xz linux-dc16ecf7fd1fad7436832121435d4926a81d469e.zip | |
x86-32: use specific __vmalloc_start_set flag in __virt_addr_valid
Rather than relying on the ever-unreliable system_state,
add a specific __vmalloc_start_set flag to indicate whether
the vmalloc area has meaningful boundaries yet, and use that
in x86-32's __phys_addr and __virt_addr_valid.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/init_32.c')
| -rw-r--r-- | arch/x86/mm/init_32.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 5e5126e0d544..d57dfffb0213 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -59,6 +59,8 @@ unsigned long highstart_pfn, highend_pfn; static noinline int do_test_wp_bit(void); +bool __read_mostly __vmalloc_start_set = false; + static __init void *alloc_low_page(void) { unsigned long pfn = e820_table_end++; @@ -757,6 +759,8 @@ void __init initmem_init(unsigned long start_pfn, #ifdef CONFIG_FLATMEM max_mapnr = num_physpages; #endif + __vmalloc_start_set = true; + printk(KERN_NOTICE "%ldMB LOWMEM available.\n", pages_to_mb(max_low_pfn)); |