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Date: Tue, 18 Sep 2012 19:36:05 +0200 From: Oleg Nesterov <oleg@...hat.com> To: Roland McGrath <roland@...k.frob.com> Cc: Denys Vlasenko <vda.linux@...glemail.com>, linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, Amerigo Wang <amwang@...hat.com>, "Jonathan M. Foote" <jmfoote@...t.org>, Pedro Alves <palves@...hat.com> Subject: Re: [PATCH -mm v2] coredump: extend core dump note section to contain file names of mapped files On 09/18, Oleg Nesterov wrote: > > On 09/18, Roland McGrath wrote: > > > > It's doubtful that rolling your own single loop actually performs better > > than just calling strlen and memcpy. Ah, I misread your message, sorry... > This is needed to advance 'name' if d_path() fails with !ENAMETOOLONG. > Probably needs a comment. > > Or perhaps 'filename = ""' case can handle this case itself. In this > case we do not even need strlen(), remaining = name - filename. Yes, but you strlen + memcpy as you suggested will work too. Oleg. -- 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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