diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/arm/memory.txt | 6 | ||||
-rw-r--r-- | Documentation/cachetlb.txt | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/Documentation/arm/memory.txt b/Documentation/arm/memory.txt index 9d58c7c5eddd..eb0fae18ffb1 100644 --- a/Documentation/arm/memory.txt +++ b/Documentation/arm/memory.txt | |||
@@ -59,7 +59,11 @@ PAGE_OFFSET high_memory-1 Kernel direct-mapped RAM region. | |||
59 | This maps the platforms RAM, and typically | 59 | This maps the platforms RAM, and typically |
60 | maps all platform RAM in a 1:1 relationship. | 60 | maps all platform RAM in a 1:1 relationship. |
61 | 61 | ||
62 | TASK_SIZE PAGE_OFFSET-1 Kernel module space | 62 | PKMAP_BASE PAGE_OFFSET-1 Permanent kernel mappings |
63 | One way of mapping HIGHMEM pages into kernel | ||
64 | space. | ||
65 | |||
66 | MODULES_VADDR MODULES_END-1 Kernel module space | ||
63 | Kernel modules inserted via insmod are | 67 | Kernel modules inserted via insmod are |
64 | placed here using dynamic mappings. | 68 | placed here using dynamic mappings. |
65 | 69 | ||
diff --git a/Documentation/cachetlb.txt b/Documentation/cachetlb.txt index b231414bb8bc..2b5f823abd03 100644 --- a/Documentation/cachetlb.txt +++ b/Documentation/cachetlb.txt | |||
@@ -88,12 +88,12 @@ changes occur: | |||
88 | This is used primarily during fault processing. | 88 | This is used primarily during fault processing. |
89 | 89 | ||
90 | 5) void update_mmu_cache(struct vm_area_struct *vma, | 90 | 5) void update_mmu_cache(struct vm_area_struct *vma, |
91 | unsigned long address, pte_t pte) | 91 | unsigned long address, pte_t *ptep) |
92 | 92 | ||
93 | At the end of every page fault, this routine is invoked to | 93 | At the end of every page fault, this routine is invoked to |
94 | tell the architecture specific code that a translation | 94 | tell the architecture specific code that a translation |
95 | described by "pte" now exists at virtual address "address" | 95 | now exists at virtual address "address" for address space |
96 | for address space "vma->vm_mm", in the software page tables. | 96 | "vma->vm_mm", in the software page tables. |
97 | 97 | ||
98 | A port may use this information in any way it so chooses. | 98 | A port may use this information in any way it so chooses. |
99 | For example, it could use this event to pre-load TLB | 99 | For example, it could use this event to pre-load TLB |