The patch titled Subject: mm-swap-check-if-swap-backing-device-is-congested-or-not-fix has been added to the -mm tree. Its filename is mm-swap-check-if-swap-backing-device-is-congested-or-not-fix.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-swap-check-if-swap-backing-device-is-congested-or-not-fix.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-swap-check-if-swap-backing-device-is-congested-or-not-fix.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: mm-swap-check-if-swap-backing-device-is-congested-or-not-fix Cc: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx> Cc: Huang Ying <ying.huang@xxxxxxxxx> Cc: Minchan Kim <minchan@xxxxxxxxxx> Cc: Tim Chen <tim.c.chen@xxxxxxxxx> Cc: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx Cc: Jens Axboe <axboe@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- --- a/mm/swap_state.c~mm-swap-check-if-swap-backing-device-is-congested-or-not-fix +++ a/mm/swap_state.c @@ -538,14 +538,13 @@ struct page *swap_cluster_readahead(swp_ bool do_poll = true, page_allocated; struct vm_area_struct *vma = vmf->vma; unsigned long addr = vmf->address; - struct inode *inode = NULL; mask = swapin_nr_pages(offset) - 1; if (!mask) goto skip; if (si->flags & (SWP_BLKDEV | SWP_FS)) { - inode = si->swap_file->f_mapping->host; + struct inode *inode = si->swap_file->f_mapping->host; if (inode_read_congested(inode)) goto skip; } _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are memory_hotplug-free-pages-as-higher-order-fix.patch memory_hotplug-free-pages-as-higher-order-fix-fix.patch mm-convert-pg_balloon-to-pg_offline-fix.patch proc-fix-proc-net-after-setns2-checkpatch-fixes.patch proc-fix-proc-net-after-setns2-checkpatch-fixes-fix.patch ocfs2-clear-zero-in-unaligned-direct-io-checkpatch-fixes.patch mm.patch mm-reuse-only-pte-mapped-ksm-page-in-do_wp_page-fix.patch mm-swap-check-if-swap-backing-device-is-congested-or-not-fix.patch mm-mmu_notifier-contextual-information-for-event-triggering-invalidation-v2-fix-fix.patch filemap-kill-page_cache_read-usage-in-filemap_fault-fix.patch filemap-drop-the-mmap_sem-for-all-blocking-operations-checkpatch-fixes.patch ipc-allow-boot-time-extension-of-ipcmni-from-32k-to-8m-checkpatch-fixes.patch scripts-atomic-check-atomicssh-dont-assume-that-scripts-are-executable.patch kernel-forkc-export-kernel_thread-to-modules.patch slab-leaks3-default-y.patch