diff options
Diffstat (limited to 'arch/x86/mm/init.c')
| -rw-r--r-- | arch/x86/mm/init.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index a9776ba..82b41d5 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -716,3 +716,11 @@ void __init zone_sizes_init(void) free_area_init_nodes(max_zone_pfns); } +void update_cache_mode_entry(unsigned entry, enum page_cache_mode cache) +{ + /* entry 0 MUST be WB (hardwired to speed up translations) */ + BUG_ON(!entry && cache != _PAGE_CACHE_MODE_WB); + + __cachemode2pte_tbl[cache] = __cm_idx2pte(entry); + __pte2cachemode_tbl[entry] = cache; +} |
