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| author | David S. Miller <davem@sunset.davemloft.net> | 2006-03-18 19:16:23 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:16:40 -0800 |
| commit | 88d7079458f87d6f2d2261b2f87b7b9416019f5e (patch) | |
| tree | 7e27074dcb05a795c15ed9455134c9e676b63aff /arch | |
| parent | 9b4006dcf6a8c43bd482b9c1ec576f0ed270ef23 (diff) | |
| download | lwn-88d7079458f87d6f2d2261b2f87b7b9416019f5e.tar.gz lwn-88d7079458f87d6f2d2261b2f87b7b9416019f5e.zip | |
[SPARC64]: Allow CONFIG_MEMORY_HOTPLUG to build.
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc64/mm/init.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index a1a364e537c7..c2b556106fc1 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -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 */ |