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Date: Thu, 7 Jan 2010 16:29:28 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: Daisuke HATAYAMA <d.hatayama@...fujitsu.com> Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org, mhiramat@...hat.com, xiyou.wangcong@...il.com, andi@...stfloor.org, jdike@...toit.com, tony.luck@...el.com Subject: Re: [RESEND][mmotm][PATCH v2, 0/5] elf coredump: Add extended numbering support On Mon, 04 Jan 2010 10:06:07 +0900 (JST) Daisuke HATAYAMA <d.hatayama@...fujitsu.com> wrote: > The current ELF dumper can produce broken corefiles if program headers > exceed 65535. In particular, the program in 64-bit environment often > demands more than 65535 mmaps. If you google max_map_count, then you > can find many users facing this problem. > > Solaris has already dealt with this issue, and other OSes have also > adopted the same method as in Solaris. Currently, Sun's document and > AMD 64 ABI include the description for the extension, where they call > the extension Extended Numbering. See Reference for further information. > > I believe that linux kernel should adopt the same way as they did, so > I've written this patch. > > I am also preparing for patches of GDB and binutils. That's a beautifully presented patchset. Thanks for doing all that work - it helps. UML maintenance appears to have ceased in recent times, so if we wish to have these changes runtime tested (we should) then I think it would be best if you could find someone to do that please. And no akpm code-review would be complete without: dump_seek() is waaaay to large to be inlined. Is there some common .c file to where we could move it? -- 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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