diff options
Diffstat (limited to 'Documentation/core-api')
| -rw-r--r-- | Documentation/core-api/cachetlb.rst | 10 | ||||
| -rw-r--r-- | Documentation/core-api/printk-formats.rst | 8 |
2 files changed, 8 insertions, 10 deletions
diff --git a/Documentation/core-api/cachetlb.rst b/Documentation/core-api/cachetlb.rst index 6eb9d3f090cd..93cb65d52720 100644 --- a/Documentation/core-api/cachetlb.rst +++ b/Documentation/core-api/cachetlb.rst @@ -101,16 +101,6 @@ changes occur: translations for software managed TLB configurations. The sparc64 port currently does this. -6) ``void tlb_migrate_finish(struct mm_struct *mm)`` - - This interface is called at the end of an explicit - process migration. This interface provides a hook - to allow a platform to update TLB or context-specific - information for the address space. - - The ia64 sn2 platform is one example of a platform - that uses this interface. - Next, we have the cache flushing interfaces. In general, when Linux is changing an existing virtual-->physical mapping to a new value, the sequence will be in one of the following forms:: diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst index c37ec7cd9c06..75d2bbe9813f 100644 --- a/Documentation/core-api/printk-formats.rst +++ b/Documentation/core-api/printk-formats.rst @@ -58,6 +58,14 @@ A raw pointer value may be printed with %p which will hash the address before printing. The kernel also supports extended specifiers for printing pointers of different types. +Some of the extended specifiers print the data on the given address instead +of printing the address itself. In this case, the following error messages +might be printed instead of the unreachable information:: + + (null) data on plain NULL address + (efault) data on invalid address + (einval) invalid data on a valid address + Plain Pointers -------------- |