diff options
Diffstat (limited to 'mm')
-rw-r--r-- | mm/swap.c | 20 | ||||
-rw-r--r-- | mm/swapfile.c | 3 |
2 files changed, 22 insertions, 1 deletions
@@ -54,6 +54,26 @@ void put_page(struct page *page) | |||
54 | } | 54 | } |
55 | EXPORT_SYMBOL(put_page); | 55 | EXPORT_SYMBOL(put_page); |
56 | 56 | ||
57 | /** | ||
58 | * put_pages_list(): release a list of pages | ||
59 | * | ||
60 | * Release a list of pages which are strung together on page.lru. Currently | ||
61 | * used by read_cache_pages() and related error recovery code. | ||
62 | * | ||
63 | * @pages: list of pages threaded on page->lru | ||
64 | */ | ||
65 | void put_pages_list(struct list_head *pages) | ||
66 | { | ||
67 | while (!list_empty(pages)) { | ||
68 | struct page *victim; | ||
69 | |||
70 | victim = list_entry(pages->prev, struct page, lru); | ||
71 | list_del(&victim->lru); | ||
72 | page_cache_release(victim); | ||
73 | } | ||
74 | } | ||
75 | EXPORT_SYMBOL(put_pages_list); | ||
76 | |||
57 | /* | 77 | /* |
58 | * Writeback is about to end against a page which has been marked for immediate | 78 | * Writeback is about to end against a page which has been marked for immediate |
59 | * reclaim. If it still appears to be reclaimable, move it to the tail of the | 79 | * reclaim. If it still appears to be reclaimable, move it to the tail of the |
diff --git a/mm/swapfile.c b/mm/swapfile.c index e70d6c6d6fee..f1f5ec783781 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c | |||
@@ -442,11 +442,12 @@ int swap_type_of(dev_t device) | |||
442 | 442 | ||
443 | if (!(swap_info[i].flags & SWP_WRITEOK)) | 443 | if (!(swap_info[i].flags & SWP_WRITEOK)) |
444 | continue; | 444 | continue; |
445 | |||
445 | if (!device) { | 446 | if (!device) { |
446 | spin_unlock(&swap_lock); | 447 | spin_unlock(&swap_lock); |
447 | return i; | 448 | return i; |
448 | } | 449 | } |
449 | inode = swap_info->swap_file->f_dentry->d_inode; | 450 | inode = swap_info[i].swap_file->f_dentry->d_inode; |
450 | if (S_ISBLK(inode->i_mode) && | 451 | if (S_ISBLK(inode->i_mode) && |
451 | device == MKDEV(imajor(inode), iminor(inode))) { | 452 | device == MKDEV(imajor(inode), iminor(inode))) { |
452 | spin_unlock(&swap_lock); | 453 | spin_unlock(&swap_lock); |