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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-11 11:18:45 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-11 11:18:45 -0200 |
| commit | 9374020a78fce13a1cf2edf3d26f6dd7231b5c3d (patch) | |
| tree | 50c8629e6c6222c5b9681506b52afbde818c5e56 /mm/memory-failure.c | |
| parent | d2a0db1ee01aea154ccc460e45a16857e32c4427 (diff) | |
| parent | 29594404d7fe73cd80eaa4ee8c43dcc53970c60e (diff) | |
Merge tag 'v3.7' into v4l_for_linus
Linux 3.7
* tag 'v3.7': (1545 commits)
Linux 3.7
Input: matrix-keymap - provide proper module license
Revert "revert "Revert "mm: remove __GFP_NO_KSWAPD""" and associated damage
ipv4: ip_check_defrag must not modify skb before unsharing
Revert "mm: avoid waking kswapd for THP allocations when compaction is deferred or contended"
inet_diag: validate port comparison byte code to prevent unsafe reads
inet_diag: avoid unsafe and nonsensical prefix matches in inet_diag_bc_run()
inet_diag: validate byte code to prevent oops in inet_diag_bc_run()
inet_diag: fix oops for IPv4 AF_INET6 TCP SYN-RECV state
mm: vmscan: fix inappropriate zone congestion clearing
vfs: fix O_DIRECT read past end of block device
net: gro: fix possible panic in skb_gro_receive()
tcp: bug fix Fast Open client retransmission
tmpfs: fix shared mempolicy leak
mm: vmscan: do not keep kswapd looping forever due to individual uncompactable zones
mm: compaction: validate pfn range passed to isolate_freepages_block
mmc: sh-mmcif: avoid oops on spurious interrupts (second try)
Revert misapplied "mmc: sh-mmcif: avoid oops on spurious interrupts"
mmc: sdhci-s3c: fix missing clock for gpio card-detect
lib/Makefile: Fix oid_registry build dependency
...
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 6c5899b9034..8b20278be6a 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1476,9 +1476,17 @@ int soft_offline_page(struct page *page, int flags) { int ret; unsigned long pfn = page_to_pfn(page); + struct page *hpage = compound_trans_head(page); if (PageHuge(page)) return soft_offline_huge_page(page, flags); + if (PageTransHuge(hpage)) { + if (PageAnon(hpage) && unlikely(split_huge_page(hpage))) { + pr_info("soft offline: %#lx: failed to split THP\n", + pfn); + return -EBUSY; + } + } ret = get_any_page(page, pfn, flags); if (ret < 0) |