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Date: Tue, 11 Dec 2012 14:49:59 +0000 From: Måns Rullgård <mans@...sr.com> To: Christoph Lameter <cl@...ux.com> Cc: David Rientjes <rientjes@...gle.com>, Pekka Enberg <penberg@...nel.org>, glommer@...allels.com, js1304@...il.com, linux-kernel@...r.kernel.org Subject: Re: signed size_t ? Christoph Lameter <cl@...ux.com> writes: > On Tue, 11 Dec 2012, kbuild test robot wrote: > >> mm/slab_common.c: In function 'create_boot_cache': >> mm/slab_common.c:219:6: warning: format '%zd' expects argument of type 'signed size_t', but argument 3 has type 'size_t' [-Wformat] > > We already changed that once from %td to %zd so that the size_t works > correctly. If the argument is correctly of type size_t, the format should be '%zu' since size_t is unsigned. > Does a signed size_t make any sense? A signed type corresponding to size_t sometimes makes sense and it's called ssize_t. -- Måns Rullgård mans@...sr.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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