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microblaze: mm: Fix lowmem max memory size limits

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Use CONFIG_LOWMEM_SIZE if system has larger ram size.
For system with larger ram size, enable HIGMEM support.

Also setup limitation for memblock and use memblock
allocation in lowmem region.

Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek
2011-12-19 13:46:35 +01:00
parent 4e2e4124b7
commit 83a92529c1
5 changed files with 46 additions and 34 deletions
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arch/microblaze/include/asm/page.h
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@@ -135,7 +135,6 @@ extern unsigned long min_low_pfn;
extern unsigned long max_pfn;
extern unsigned long memory_start;
extern unsigned long memory_end;
extern unsigned long memory_size;
extern int page_is_ram(unsigned long pfn);