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    From
    SubjectRe: 2.5.46-mm2 - oops
    Date
    On 10 November 2002 16:52, Andrew Morton wrote:
    > Ed Tomlinson wrote:
    > > On November 9, 2002 10:59 pm, Andrew Morton wrote:
    > > > Of note in -mm2 is a patch from Chris Mason which teaches
    > > > reiserfs to use the mpage code for reads - it should show a nice
    > > > reduction in CPU load under reiserfs reads.
    > >
    > > Booting into mm2 I get:
    > >
    > > ...
    > > Unable to handle kernel NULL pointer dereference at virtual address
    > > 00000004
    > >
    > > ...
    > > EIP is at mpage_readpages+0x47/0x140
    >
    > whoops. The ->readpages API was changed...
    >
    > --- 25/fs/reiserfs/inode.c~reiserfs-readpages-fix Sun Nov 10 10:44:28
    > 2002 +++ 25-akpm/fs/reiserfs/inode.c Sun Nov 10 10:44:39 2002
    > @@ -2081,7 +2081,7 @@ static int reiserfs_readpage (struct fil
    > }
    >
    > static int
    > -reiserfs_readpages(struct address_space *mapping,
    > +reiserfs_readpages(struct file *file, struct address_space *mapping,
    > struct list_head *pages, unsigned nr_pages)

    Why it wasn't catched by compiler? Does C allow assignments with
    incompatible pointers without cast?
    --
    vda
    -
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