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    SubjectRe: [PATCH] type safe allocator
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    On Thu, 2007-08-02 at 15:47 +0200, Peter Zijlstra wrote:
    > On Thu, 2007-08-02 at 16:04 +0400, Alexey Dobriyan wrote:
    > > On 8/2/07, Miklos Szeredi <miklos@szeredi.hu> wrote:
    > > > The linux kernel doesn't have a type safe object allocator a-la new()
    > > > in C++ or g_new() in glib.
    > > >
    > > > Introduce two helpers for this purpose:
    > > >
    > > > alloc_struct(type, gfp_flags);
    > > >
    > > > zalloc_struct(type, gfp_flags);
    > >
    > > ick.
    > >
    > > > These macros take a type name (usually a 'struct foo') as first
    > > > argument
    > >
    > > So one has to type struct twice.
    >
    > thrice in some cases like alloc_struct(struct task_struct, GFP_KERNEL)

    Save the explicit "struct" and put it into the macro (and force people
    to not use typedefs).

    #define alloc_struct(type, flags) ((type *)kmalloc(sizeof(struct type), (flags)))

    Obious drawback: We may need alloc_union().

    SCNR ...
    Bernd
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