• Sasha Levin's avatar
    mm: introduce dump_vma · 0bf55139
    Sasha Levin authored
    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)
    
    [akpm@linux-foundation.org: make dump_vma() require CONFIG_DEBUG_VM]
    [swarren@nvidia.com: fix dump_vma() compilation]
    Signed-off-by: default avatarSasha Levin <sasha.levin@oracle.com>
    Reviewed-by: default avatarNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>
    Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
    Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>
    Cc: Rik van Riel <riel@redhat.com>
    Cc: Mel Gorman <mgorman@suse.de>
    Cc: Michal Hocko <mhocko@suse.cz>
    Cc: Hugh Dickins <hughd@google.com>
    Cc: Vlastimil Babka <vbabka@suse.cz>
    Cc: Michel Lespinasse <walken@google.com>
    Cc: Minchan Kim <minchan@kernel.org>
    Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
    Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
    0bf55139
page_alloc.c 187 KB