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authorVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>2008-09-03 19:54:55 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2008-10-08 20:23:00 -0700
commit05039ab90e8b5c1e4f38beeed90956c7bd1b5895 (patch)
tree8a88faab10b4ea77c6120ca693f979e97d209d1b /arch
parent9db33a508500ad82e907a51570bc1e6a5b94163d (diff)
x86: PAT proper tracking of set_memory_uc and friends
commit c15238df3b65e34fadb1021b0fb0d5aebc7c42c6 upstream Big thinko in pat memtype tracking code. reserve_memtype should be called with physical address and not virtual address. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/mm/pageattr.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 60bcb5b6a37e..b38429709a6e 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -789,7 +789,7 @@ int set_memory_uc(unsigned long addr, int numpages)
/*
* for now UC MINUS. see comments in ioremap_nocache()
*/
- if (reserve_memtype(addr, addr + numpages * PAGE_SIZE,
+ if (reserve_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE,
_PAGE_CACHE_UC_MINUS, NULL))
return -EINVAL;
@@ -808,7 +808,7 @@ int set_memory_wc(unsigned long addr, int numpages)
if (!pat_wc_enabled)
return set_memory_uc(addr, numpages);
- if (reserve_memtype(addr, addr + numpages * PAGE_SIZE,
+ if (reserve_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE,
_PAGE_CACHE_WC, NULL))
return -EINVAL;
@@ -824,7 +824,7 @@ int _set_memory_wb(unsigned long addr, int numpages)
int set_memory_wb(unsigned long addr, int numpages)
{
- free_memtype(addr, addr + numpages * PAGE_SIZE);
+ free_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE);
return _set_memory_wb(addr, numpages);
}