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[SPARC64]: Allow CONFIG_MEMORY_HOTPLUG to build.

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online_page() is straightforward, and then add a dummy
remove_memory() that returns -EINVAL just like i386.

There is no point in implementing remove_memory() since
__remove_pages() has no implementation either.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-03-18 19:16:23 -08:00
parent 9b4006dcf6
commit 88d7079458
1 changed files with 18 additions and 0 deletions
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18
arch/sparc64/mm/init.c
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@ -1805,3 +1805,21 @@ void __flush_tlb_all(void)
__asm__ __volatile__("wrpr %0, 0, %%pstate"
: : "r" (pstate));
}
#ifdef CONFIG_MEMORY_HOTPLUG
void online_page(struct page *page)
{
ClearPageReserved(page);
set_page_count(page, 0);
free_cold_page(page);
totalram_pages++;
num_physpages++;
}
int remove_memory(u64 start, u64 size)
{
return -EINVAL;
}
#endif /* CONFIG_MEMORY_HOTPLUG */