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 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]

Thanks,
Fengguang
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