From: Rolf Eike Beer These functions are already documented quite well with long comments. Now add kerneldoc style header to make this turn up in everyones favorite doc format. Signed-off-by: Rolf Eike Beer Cc: "Randy.Dunlap" Signed-off-by: Andrew Morton --- mm/memory.c | 34 +++++++++++++++++++++++++++------- 1 file changed, 27 insertions(+), 7 deletions(-) diff -puN mm/memory.c~add-kerneldocs-for-some-functions-in-mm-memoryc mm/memory.c --- a/mm/memory.c~add-kerneldocs-for-some-functions-in-mm-memoryc +++ a/mm/memory.c @@ -1227,7 +1227,12 @@ out: return retval; } -/* +/** + * vm_insert_page - insert single page into user vma + * @vma: user vma to map to + * @addr: target user address of this page + * @page: source kernel page + * * This allows drivers to insert individual pages they've allocated * into a user vma. * @@ -1319,7 +1324,16 @@ static inline int remap_pud_range(struct return 0; } -/* Note: this is only safe if the mm semaphore is held when called. */ +/** + * remap_pfn_range - remap kernel memory to userspace + * @vma: user vma to map to + * @addr: target user address to start at + * @pfn: physical address of kernel memory + * @size: size of map area + * @prot: page protection flags for this mapping + * + * Note: this is only safe if the mm semaphore is held when called. + */ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn, unsigned long size, pgprot_t prot) { @@ -1801,9 +1815,10 @@ void unmap_mapping_range(struct address_ } EXPORT_SYMBOL(unmap_mapping_range); -/* - * Handle all mappings that got truncated by a "truncate()" - * system call. +/** + * vmtruncate - unmap mappings "freed" by truncate() syscall + * @inode: inode of the file used + * @offset: file offset to start truncating * * NOTE! We have to be ready to update the memory sharing * between the file and the memory map for a potential last @@ -1872,11 +1887,16 @@ int vmtruncate_range(struct inode *inode } EXPORT_UNUSED_SYMBOL(vmtruncate_range); /* June 2006 */ -/* +/** + * swapin_readahead - swap in pages in hope we need them soon + * @entry: swap entry of this memory + * @addr: address to start + * @vma: user vma this addresses belong to + * * Primitive swap readahead code. We simply read an aligned block of * (1 << page_cluster) entries in the swap area. This method is chosen * because it doesn't cost us any seek time. We also make sure to queue - * the 'original' request together with the readahead ones... + * the 'original' request together with the readahead ones... * * This has been extended to use the NUMA policies from the mm triggering * the readahead. _