Re: [glommer-memcg:slab-common/kmalloc 28/30] include/linux/slab_def.h:135:27: warning: array subscript is above array bounds

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On Sat, 29 Sep 2012, Fengguang Wu wrote:

> On Fri, Sep 28, 2012 at 06:17:20PM +0000, Christoph Lameter wrote:
> > On Fri, 28 Sep 2012, Fengguang Wu wrote:
> >
> > > commit: 55a6b9f968a877c728ed6e438fa68741a7711d89 [28/30] CK1 [12/13] Common names for the array of kmalloc caches
> >
> > Is this issue really caused by the specified commit? I do not see how the
> > patch can cause such a problem.
>
> It should be a wrong bisection. Sorry. I checked manually and find
> that the previous commit stopped early at this error:
>
> In file included from /c/kernel-tests/src/next/include/linux/slab.h:309:0,
>                  from /c/kernel-tests/src/next/include/linux/proc_fs.h:4,
>                  from /c/kernel-tests/src/next/fs/proc/stat.c:6:
> /c/kernel-tests/src/next/include/linux/slab_def.h: In function 'kmalloc':
> /c/kernel-tests/src/next/include/linux/slab_def.h:132:13: error: 'kmalloc_dma_caches' undeclared (first use in this function)
> /c/kernel-tests/src/next/include/linux/slab_def.h:132:13: note: each undeclared identifier is reported only once for each function it appears in
> /c/kernel-tests/src/next/include/linux/slab_def.h:135:13: error: 'kmalloc_caches' undeclared (first use in this function)
>
> Thus the warning was "hide" until the current commit:
>
> In file included from /c/kernel-tests/src/next/include/linux/slab.h:314:0,
>                  from /c/kernel-tests/src/next/include/linux/proc_fs.h:4,
>                  from /c/kernel-tests/src/next/fs/proc/stat.c:6:
> /c/kernel-tests/src/next/fs/proc/stat.c: In function 'stat_open':
> /c/kernel-tests/src/next/include/linux/slab_def.h:135:27: warning: array subscript is above array bounds [-Warray-bounds]

Ok there were some fixes in that area in V2. Could we try again and see if
the new version fixes it?

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