lkml.org 
[lkml]   [2006]   [Aug]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    SubjectRe: 2.6.18-rc3-mm2 [BUG at mm/vmscan.c:383!]
    On Sun, 6 Aug 2006, Mattia Dongili wrote:
    > [ 781.988000] kernel BUG at mm/vmscan.c:383!
    > [ 781.988000] EIP is at remove_mapping+0xe8/0x120

    You are so right: the minor fix below is needed.

    > [ 781.988000] DWARF2 unwinder stuck at kernel_thread_helper+0x5/0x10

    Sorry, someone else will have to help with all that nuisance.


    remove_mapping() must check against page_mapping(page):
    &swapper_space is implicit, never actually stored in page->mapping.

    Signed-off-by: Hugh Dickins <hugh@veritas.com>

    --- 2.6.18-rc3-mm2/mm/vmscan.c 2006-08-06 12:25:40.000000000 +0100
    +++ linux/mm/vmscan.c 2006-08-06 15:40:34.000000000 +0100
    @@ -380,7 +380,7 @@ static pageout_t pageout(struct page *pa
    int remove_mapping(struct address_space *mapping, struct page *page)
    {
    BUG_ON(!PageLocked(page));
    - BUG_ON(mapping != page->mapping);
    + BUG_ON(mapping != page_mapping(page));

    write_lock_irq(&mapping->tree_lock);

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/
    \
     
     \ /
      Last update: 2006-08-06 17:01    [W:0.021 / U:29.832 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site