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| author | David S. Miller <davem@davemloft.net> | 2008-07-18 02:39:39 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-18 02:39:39 -0700 |
| commit | 49997d75152b3d23c53b0fa730599f2f74c92c65 (patch) | |
| tree | 46e93126170d02cfec9505172e545732c1b69656 /arch/s390/mm/init.c | |
| parent | a0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/powerpc/booting-without-of.txt
drivers/atm/Makefile
drivers/net/fs_enet/fs_enet-main.c
drivers/pci/pci-acpi.c
net/8021q/vlan.c
net/iucv/iucv.c
Diffstat (limited to 'arch/s390/mm/init.c')
| -rw-r--r-- | arch/s390/mm/init.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 05598649b32..388cc742005 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -202,3 +202,22 @@ void free_initrd_mem(unsigned long start, unsigned long end) } } #endif + +#ifdef CONFIG_MEMORY_HOTPLUG +int arch_add_memory(int nid, u64 start, u64 size) +{ + struct pglist_data *pgdat; + struct zone *zone; + int rc; + + pgdat = NODE_DATA(nid); + zone = pgdat->node_zones + ZONE_NORMAL; + rc = vmem_add_mapping(start, size); + if (rc) + return rc; + rc = __add_pages(zone, PFN_DOWN(start), PFN_DOWN(size)); + if (rc) + vmem_remove_mapping(start, size); + return rc; +} +#endif /* CONFIG_MEMORY_HOTPLUG */ |