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authorIngo Molnar <mingo@elte.hu>2010-05-03 09:17:01 +0200
committerIngo Molnar <mingo@elte.hu>2010-05-03 09:17:01 +0200
commit53ba4f2fa73225113a488584df0d85d3cba52943 (patch)
treed85b984d9818abc3ccc0237eb53b710d9e96c39e /drivers/s390/char/sclp_cmd.c
parentlockstat: Make lockstat counting per cpu (diff)
parentLinux 2.6.34-rc6 (diff)
downloadlinux-53ba4f2fa73225113a488584df0d85d3cba52943.tar.xz
linux-53ba4f2fa73225113a488584df0d85d3cba52943.zip
Merge commit 'v2.6.34-rc6' into core/locking
Diffstat (limited to 'drivers/s390/char/sclp_cmd.c')
-rw-r--r--drivers/s390/char/sclp_cmd.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index b3beab610da4..4b60ede07f0e 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -308,6 +308,13 @@ struct assign_storage_sccb {
u16 rn;
} __packed;
+int arch_get_memory_phys_device(unsigned long start_pfn)
+{
+ if (!rzm)
+ return 0;
+ return PFN_PHYS(start_pfn) >> ilog2(rzm);
+}
+
static unsigned long long rn2addr(u16 rn)
{
return (unsigned long long) (rn - 1) * rzm;