Subject: linux-next: Tree for Sep 5: build failure due to 'mm: introduce dump_vma'

From: Guenter Roeck <[email-masked]>
Date: Sat, 6 Sep 2014 08:43:09 -0700

I see the following build failure in next-20140905.

Guenter

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Building tile:tilegx_defconfig ... failed
--------------
Error log:
mm/page_alloc.c: In function 'dump_vma':
mm/page_alloc.c:6742:46: error: 'pgprot_t' has no member named 'pgprot'
make[1]: *** [mm/page_alloc.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [mm] Error 2
make: *** Waiting for unfinished jobs....
--------------

bisect results:

d1305f0fa17f1d3e659a8aa2134610a1a6884f77 is the first bad commit
commit d1305f0fa17f1d3e659a8aa2134610a1a6884f77
Author: Sasha Levin <[email-masked]>
Date:   Fri Sep 5 16:58:49 2014 +0100

    mm: introduce dump_vma
    
    Introduce a helper to dump information about a VMA, this also makes
    dump_page_flags more generic and re-uses that so the output looks very
    similar to dump_page:
    
    [   61.903437] vma ffff88070f88be00 start 00007fff25970000 end 00007fff25992000
    [   61.903437] next ffff88070facd600 prev ffff88070face400 mm ffff88070fade000
    [   61.903437] prot 8000000000000025 anon_vma ffff88070fa1e200 vm_ops           (null)
    [   61.903437] pgoff 7ffffffdd file           (null) private_data           (null)
    [   61.909129] flags: 0x100173(read|write|mayread|maywrite|mayexec|growsdown|account)
    
    Signed-off-by: Sasha Levin <[email-masked]>
    Reviewed-by: Naoya Horiguchi <[email-masked]>
    Cc: Kirill A. Shutemov <[email-masked]>
    Cc: Konstantin Khlebnikov <[email-masked]>
    Cc: Rik van Riel <[email-masked]>
    Cc: Mel Gorman <[email-masked]>
    Cc: Michal Hocko <[email-masked]>
    Cc: Hugh Dickins <[email-masked]>
    Cc: Vlastimil Babka <[email-masked]>
    Cc: Michel Lespinasse <[email-masked]>
    Cc: Minchan Kim <[email-masked]>
    Signed-off-by: Andrew Morton <[email-masked]>

---
bisect log:

# bad: [92d88cb068a5dc66d53ef017999b2419b125f764] Add linux-next specific files for 20140905
# good: [69e273c0b0a3c337a521d083374c918dc52c666f] Linux 3.17-rc3
git bisect start 'HEAD' 'v3.17-rc3'
# good: [9ecc6d43871f92e01c8aafa9563538ed92825778] Merge remote-tracking branch 'drm/drm-next'
git bisect good 9ecc6d43871f92e01c8aafa9563538ed92825778
# good: [578445255f94602a32d2a05f38c983319e2e2c0c] Merge remote-tracking branch 'usb-gadget/next'
git bisect good 578445255f94602a32d2a05f38c983319e2e2c0c
# good: [db1afd18e9cddffd957abea6287a6eae9edbeccc] staging: vt6655: replace typedef struct tagSCTS_FB with struct vnt_cts_fb
git bisect good db1afd18e9cddffd957abea6287a6eae9edbeccc
# good: [4b3423832f2d1cbb988b18c96d39474029a6156b] Merge remote-tracking branch 'llvmlinux/for-next'
git bisect good 4b3423832f2d1cbb988b18c96d39474029a6156b
# bad: [d1305f0fa17f1d3e659a8aa2134610a1a6884f77] mm: introduce dump_vma
git bisect bad d1305f0fa17f1d3e659a8aa2134610a1a6884f77
# good: [1eb2bc2558fecb3eb78114dbcc433d0e2e390372] mm/slab: move cache_flusharray() out of unlikely.text section
git bisect good 1eb2bc2558fecb3eb78114dbcc433d0e2e390372
# good: [1d414c4d9f077af5dd20135f135a498176b564a5] mm, compaction: skip buddy pages by their order in the migrate scanner
git bisect good 1d414c4d9f077af5dd20135f135a498176b564a5
# good: [05e2a5f419c0c5888bce1aeda4ffe89f7657e0a6] mempolicy: fix show_numa_map() vs exec() + do_set_mempolicy() race
git bisect good 05e2a5f419c0c5888bce1aeda4ffe89f7657e0a6
# good: [41da4bf4788f47cb1f0801562e378e549c7b350a] selftests/vm/transhuge-stress: stress test for memory compaction
git bisect good 41da4bf4788f47cb1f0801562e378e549c7b350a
# good: [6dd0fc5ec52ec2a0ae3a1c4e6816434c18052420] mm/balloon_compaction: general cleanup
git bisect good 6dd0fc5ec52ec2a0ae3a1c4e6816434c18052420
# good: [ada687f364aa0ffaebe5a66bd0b89af97e53a587] mm-balloon_compaction-general-cleanup-checkpatch-fixes
git bisect good ada687f364aa0ffaebe5a66bd0b89af97e53a587
# good: [834259904e3b9a9fd6409b9a38aa608158467822] mm/slab.c: use __seq_open_private() instead of seq_open()
git bisect good 834259904e3b9a9fd6409b9a38aa608158467822
# first bad commit: [d1305f0fa17f1d3e659a8aa2134610a1a6884f77] mm: introduce dump_vma