On Sat, 4 Feb 2023 at 09:36, Ira Weiny ira.weiny@intel.com wrote:
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 Acked-by: John Hubbard jhubbard@nvidia.com Signed-off-by: Ira Weiny ira.weiny@intel.com
include/linux/mm.h | 2 -- mm/swap.c | 30 ------------------------------ 2 files changed, 32 deletions(-)
Reviewed-by: Sumit Garg sumit.garg@linaro.org
-Sumit
diff --git a/include/linux/mm.h b/include/linux/mm.h index 8f857163ac89..2041e6d4fa27 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2095,8 +2095,6 @@ 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 70e2063ef43a..4c03ecab698e 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -158,36 +158,6 @@ 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)
-- 2.39.1