diff options
| author | Ian Wisbon <ian.wisbon@timesys.com> | 2011-02-15 15:53:51 -0500 |
|---|---|---|
| committer | Ian Wisbon <ian.wisbon@timesys.com> | 2011-02-15 15:53:51 -0500 |
| commit | dfdbf3f6e2d279f2a46ed95614cb4bf07657394d (patch) | |
| tree | 2cc05669c5d3e47f7d4b28e31076b6dc6e771f36 /arch/x86/mm/pageattr.c | |
| parent | effff5718c380983788fe6c380671c18e15ac7c2 (diff) | |
Digi del-5.6 Complete2.6.31-digi-201102151558
Diffstat (limited to 'arch/x86/mm/pageattr.c')
| -rw-r--r-- | arch/x86/mm/pageattr.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 7e600c1962db..fbb46d62ee5d 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -143,6 +143,7 @@ void clflush_cache_range(void *vaddr, unsigned int size) mb(); } +EXPORT_SYMBOL_GPL(clflush_cache_range); static void __cpa_flush_all(void *arg) { @@ -822,6 +823,7 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages, { struct cpa_data cpa; int ret, cache, checkalias; + unsigned long baddr = 0; /* * Check, if we are requested to change a not supported @@ -853,6 +855,11 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages, */ WARN_ON_ONCE(1); } + /* + * Save address for cache flush. *addr is modified in the call + * to __change_page_attr_set_clr() below. + */ + baddr = *addr; } /* Must avoid aliasing mappings in the highmem code */ @@ -900,7 +907,7 @@ static int change_page_attr_set_clr(unsigned long *addr, int numpages, cpa_flush_array(addr, numpages, cache, cpa.flags, pages); } else - cpa_flush_range(*addr, numpages, cache); + cpa_flush_range(baddr, numpages, cache); } else cpa_flush_all(cache); |