diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb.c | 4 | ||||
| -rw-r--r-- | mm/mmap.c | 10 | ||||
| -rw-r--r-- | mm/page_io.c | 10 |
3 files changed, 19 insertions, 5 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index addfe4accc07..cc2a99e9cbc8 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1022,7 +1022,9 @@ static int hstate_next_node_to_free(struct hstate *h, nodemask_t *nodes_allowed) ((node = hstate_next_node_to_free(hs, mask)) || 1); \ nr_nodes--) -#if defined(CONFIG_X86_64) && ((defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA)) +#if (defined(CONFIG_X86_64) || defined(CONFIG_S390)) && \ + ((defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || \ + defined(CONFIG_CMA)) static void destroy_compound_gigantic_page(struct page *page, unsigned int order) { diff --git a/mm/mmap.c b/mm/mmap.c index de2c1769cc68..234edffec1d0 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2943,9 +2943,19 @@ static const char *special_mapping_name(struct vm_area_struct *vma) return ((struct vm_special_mapping *)vma->vm_private_data)->name; } +static int special_mapping_mremap(struct vm_area_struct *new_vma) +{ + struct vm_special_mapping *sm = new_vma->vm_private_data; + + if (sm->mremap) + return sm->mremap(sm, new_vma); + return 0; +} + static const struct vm_operations_struct special_mapping_vmops = { .close = special_mapping_close, .fault = special_mapping_fault, + .mremap = special_mapping_mremap, .name = special_mapping_name, }; diff --git a/mm/page_io.c b/mm/page_io.c index 242dba07545b..dcc5d3769608 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -259,7 +259,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, bio_end_io_t end_write_func) { struct bio *bio; - int ret, rw = WRITE; + int ret; struct swap_info_struct *sis = page_swap_info(page); if (sis->flags & SWP_FILE) { @@ -317,12 +317,13 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, ret = -ENOMEM; goto out; } + bio_set_op_attrs(bio, REQ_OP_WRITE, 0); if (wbc->sync_mode == WB_SYNC_ALL) - rw |= REQ_SYNC; + bio->bi_rw |= REQ_SYNC; count_vm_event(PSWPOUT); set_page_writeback(page); unlock_page(page); - submit_bio(rw, bio); + submit_bio(bio); out: return ret; } @@ -369,8 +370,9 @@ int swap_readpage(struct page *page) ret = -ENOMEM; goto out; } + bio_set_op_attrs(bio, REQ_OP_READ, 0); count_vm_event(PSWPIN); - submit_bio(READ, bio); + submit_bio(bio); out: return ret; } |