diff options
Diffstat (limited to 'arch/sh/mm/init.c')
-rw-r--r-- | arch/sh/mm/init.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 8fe223a890ed..e0e644ff3204 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c | |||
@@ -12,6 +12,7 @@ | |||
12 | #include <linux/init.h> | 12 | #include <linux/init.h> |
13 | #include <linux/bootmem.h> | 13 | #include <linux/bootmem.h> |
14 | #include <linux/proc_fs.h> | 14 | #include <linux/proc_fs.h> |
15 | #include <linux/pagemap.h> | ||
15 | #include <linux/percpu.h> | 16 | #include <linux/percpu.h> |
16 | #include <linux/io.h> | 17 | #include <linux/io.h> |
17 | #include <asm/mmu_context.h> | 18 | #include <asm/mmu_context.h> |
@@ -112,7 +113,7 @@ static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot) | |||
112 | * As a performance optimization, other platforms preserve the fixmap mapping | 113 | * As a performance optimization, other platforms preserve the fixmap mapping |
113 | * across a context switch, we don't presently do this, but this could be done | 114 | * across a context switch, we don't presently do this, but this could be done |
114 | * in a similar fashion as to the wired TLB interface that sh64 uses (by way | 115 | * in a similar fashion as to the wired TLB interface that sh64 uses (by way |
115 | * of the memorry mapped UTLB configuration) -- this unfortunately forces us to | 116 | * of the memory mapped UTLB configuration) -- this unfortunately forces us to |
116 | * give up a TLB entry for each mapping we want to preserve. While this may be | 117 | * give up a TLB entry for each mapping we want to preserve. While this may be |
117 | * viable for a small number of fixmaps, it's not particularly useful for | 118 | * viable for a small number of fixmaps, it's not particularly useful for |
118 | * everything and needs to be carefully evaluated. (ie, we may want this for | 119 | * everything and needs to be carefully evaluated. (ie, we may want this for |