From: Ira Weiny ira.weiny@intel.com
The only caller to get_kernel_pages() [shm_get_kernel_pages()] has been updated to not need it.
Remove get_kernel_pages().
Cc: Mel Gorman mgorman@suse.de Cc: Al Viro viro@zeniv.linux.org.uk Cc: "Fabio M. De Francesco" fmdefrancesco@gmail.com Cc: Christoph Hellwig hch@lst.de Cc: Andrew Morton akpm@linux-foundation.org Signed-off-by: Ira Weiny ira.weiny@intel.com --- include/linux/mm.h | 2 -- mm/swap.c | 30 ------------------------------ 2 files changed, 32 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h index 8bbcccbc5565..9a06df4f057c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1969,8 +1969,6 @@ int __account_locked_vm(struct mm_struct *mm, unsigned long pages, bool inc, struct task_struct *task, bool bypass_rlim);
struct kvec; -int get_kernel_pages(const struct kvec *iov, int nr_pages, int write, - struct page **pages); struct page *get_dump_page(unsigned long addr);
bool folio_mark_dirty(struct folio *folio); diff --git a/mm/swap.c b/mm/swap.c index 955930f41d20..a9aa648eb0d0 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -157,36 +157,6 @@ void put_pages_list(struct list_head *pages) } EXPORT_SYMBOL(put_pages_list);
-/* - * get_kernel_pages() - pin kernel pages in memory - * @kiov: An array of struct kvec structures - * @nr_segs: number of segments to pin - * @write: pinning for read/write, currently ignored - * @pages: array that receives pointers to the pages pinned. - * Should be at least nr_segs long. - * - * Returns number of pages pinned. This may be fewer than the number requested. - * If nr_segs is 0 or negative, returns 0. If no pages were pinned, returns 0. - * Each page returned must be released with a put_page() call when it is - * finished with. - */ -int get_kernel_pages(const struct kvec *kiov, int nr_segs, int write, - struct page **pages) -{ - int seg; - - for (seg = 0; seg < nr_segs; seg++) { - if (WARN_ON(kiov[seg].iov_len != PAGE_SIZE)) - return seg; - - pages[seg] = kmap_to_page(kiov[seg].iov_base); - get_page(pages[seg]); - } - - return seg; -} -EXPORT_SYMBOL_GPL(get_kernel_pages); - typedef void (*move_fn_t)(struct lruvec *lruvec, struct folio *folio);
static void lru_add_fn(struct lruvec *lruvec, struct folio *folio)