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powerpc32: Limit memory to lowmem if !CONFIG_HIGHMEM.

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This trims off the extra unusable memory from the lmb structure,
so we don't try to use it.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras 2005-10-26 21:54:21 +10:00
parent b41fc4f82f
commit fa39dc437a
1 changed files with 3 additions and 0 deletions
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3
arch/powerpc/mm/init_32.c
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@ -154,10 +154,13 @@ void __init MMU_init(void)
* in the fixed entries */
adjust_total_lowmem();
#endif /* CONFIG_FSL_BOOKE */
if (total_lowmem > __max_low_memory) {
total_lowmem = __max_low_memory;
#ifndef CONFIG_HIGHMEM
total_memory = total_lowmem;
lmb_enforce_memory_limit(total_lowmem);
lmb_analyze();
#endif /* CONFIG_HIGHMEM */
}