The patch titled
Subject: swap-fix-oops-during-block-io-poll-in-swapin-path-fix
has been removed from the -mm tree. Its filename was
swap-fix-oops-during-block-io-poll-in-swapin-path-fix.patch
This patch was dropped because it was folded into swap-fix-oops-during-block-io-poll-in-swapin-path.patch
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: swap-fix-oops-during-block-io-poll-in-swapin-path-fix
add comment
Cc: Huang Ying <ying.huang@xxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxx>
Cc: Shaohua Li <shli@xxxxxx>
Cc: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: Tim Chen <tim.c.chen@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_io.c | 4 ++++
1 file changed, 4 insertions(+)
diff -puN mm/page_io.c~swap-fix-oops-during-block-io-poll-in-swapin-path-fix mm/page_io.c
--- a/mm/page_io.c~swap-fix-oops-during-block-io-poll-in-swapin-path-fix
+++ a/mm/page_io.c
@@ -380,6 +380,10 @@ int swap_readpage(struct page *page, boo
goto out;
}
bdev = bio->bi_bdev;
+ /*
+ * Keep this task valid during swap readpage because the oom killer may
+ * attempt to access it in the page fault retry time check.
+ */
get_task_struct(current);
bio->bi_private = current;
bio_set_op_attrs(bio, REQ_OP_READ, 0);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
i-need-old-gcc.patch
swap-fix-oops-during-block-io-poll-in-swapin-path.patch
arm-arch-arm-include-asm-pageh-needs-personalityh.patch
ocfs2-old-mle-put-and-release-after-the-function-dlm_add_migration_mle-called-fix.patch
ocfs2-dlm-optimization-of-code-while-free-dead-node-locks-checkpatch-fixes.patch
mm.patch
mm-memory_hotplug-just-build-zonelist-for-new-added-node-fix.patch
mm-memory_hotplug-just-build-zonelist-for-new-added-node-fix-fix.patch
mm-thp-enable-thp-migration-in-generic-path-fix-fix.patch
zsmalloc-zs_page_migrate-skip-unnecessary-loops-but-not-return-ebusy-if-zspage-is-not-inuse-fix.patch
nvdimm-avoid-bogus-wmaybe-uninitialized-warning-fix.patch
treewide-remove-gfp_temporary-allocation-flag-fix.patch
treewide-remove-gfp_temporary-allocation-flag-checkpatch-fixes.patch
kernel-reboot-add-devm_register_reboot_notifier-fix.patch
linux-next-rejects.patch
kernel-forkc-export-kernel_thread-to-modules.patch
slab-leaks3-default-y.patch
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