diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/filemap_xip.c | 7 | ||||
| -rw-r--r-- | mm/truncate.c | 3 |
2 files changed, 3 insertions, 7 deletions
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c index cbb335813ec0..1b49dab9b25d 100644 --- a/mm/filemap_xip.c +++ b/mm/filemap_xip.c @@ -434,7 +434,6 @@ xip_truncate_page(struct address_space *mapping, loff_t from) unsigned blocksize; unsigned length; struct page *page; - void *kaddr; BUG_ON(!mapping->a_ops->get_xip_page); @@ -458,11 +457,7 @@ xip_truncate_page(struct address_space *mapping, loff_t from) else return PTR_ERR(page); } - kaddr = kmap_atomic(page, KM_USER0); - memset(kaddr + offset, 0, length); - kunmap_atomic(kaddr, KM_USER0); - - flush_dcache_page(page); + zero_user_page(page, offset, length, KM_USER0); return 0; } EXPORT_SYMBOL_GPL(xip_truncate_page); diff --git a/mm/truncate.c b/mm/truncate.c index 0f4b6d18ab0e..4fbe1a2da5fb 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -12,6 +12,7 @@ #include <linux/swap.h> #include <linux/module.h> #include <linux/pagemap.h> +#include <linux/highmem.h> #include <linux/pagevec.h> #include <linux/task_io_accounting_ops.h> #include <linux/buffer_head.h> /* grr. try_to_release_page, @@ -46,7 +47,7 @@ void do_invalidatepage(struct page *page, unsigned long offset) static inline void truncate_partial_page(struct page *page, unsigned partial) { - memclear_highpage_flush(page, partial, PAGE_CACHE_SIZE-partial); + zero_user_page(page, partial, PAGE_CACHE_SIZE - partial, KM_USER0); if (PagePrivate(page)) do_invalidatepage(page, partial); } |