Subject: + documentation-kdump-kdumptxt-remove-dev-oldmem-description.patch added to -mm tree To: zhangyanfei@xxxxxxxxxxxxxx,benh@xxxxxxxxxxxxxxxxxxx,dave@xxxxxxxx,ebiederm@xxxxxxxxxxxx,fenghua.yu@xxxxxxxxx,heiko.carstens@xxxxxxxxxx,holzheu@xxxxxxxxxxxxxxxxxx,hpa@xxxxxxxxx,matt.fleming@xxxxxxxxx,paulus@xxxxxxxxx,ralf@xxxxxxxxxxxxxx,schwidefsky@xxxxxxxxxx,tony.luck@xxxxxxxxx,vgoyal@xxxxxxxxxx From: akpm@xxxxxxxxxxxxxxxxxxxx Date: Wed, 29 May 2013 15:20:22 -0700 The patch titled Subject: Documentation/kdump/kdump.txt: remove /dev/oldmem description has been added to the -mm tree. Its filename is documentation-kdump-kdumptxt-remove-dev-oldmem-description.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx> Subject: Documentation/kdump/kdump.txt: remove /dev/oldmem description Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx> Cc: Vivek Goyal <vgoyal@xxxxxxxxxx> Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Dave Hansen <dave@xxxxxxxx> Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx> Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx> Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> Cc: Matt Fleming <matt.fleming@xxxxxxxxx> Cc: Michael Holzheu <holzheu@xxxxxxxxxxxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- Documentation/kdump/kdump.txt | 31 ++++++------------------------- 1 file changed, 6 insertions(+), 25 deletions(-) diff -puN Documentation/kdump/kdump.txt~documentation-kdump-kdumptxt-remove-dev-oldmem-description Documentation/kdump/kdump.txt --- a/Documentation/kdump/kdump.txt~documentation-kdump-kdumptxt-remove-dev-oldmem-description +++ a/Documentation/kdump/kdump.txt @@ -47,19 +47,12 @@ parameter. Optionally the size of the EL when using the elfcorehdr=[size[KMG]@]offset[KMG] syntax. -With the dump-capture kernel, you can access the memory image, or "old -memory," in two ways: - -- Through a /dev/oldmem device interface. A capture utility can read the - device file and write out the memory in raw format. This is a raw dump - of memory. Analysis and capture tools must be intelligent enough to - determine where to look for the right information. - -- Through /proc/vmcore. This exports the dump as an ELF-format file that - you can write out using file copy commands such as cp or scp. Further, - you can use analysis tools such as the GNU Debugger (GDB) and the Crash - tool to debug the dump file. This method ensures that the dump pages are - correctly ordered. +With the dump-capture kernel, you can access the memory image through +/proc/vmcore. This exports the dump as an ELF-format file that you can +write out using file copy commands such as cp or scp. Further, you can +use analysis tools such as the GNU Debugger (GDB) and the Crash tool to +debug the dump file. This method ensures that the dump pages are correctly +ordered. Setup and Installation @@ -423,18 +416,6 @@ the following command: cp /proc/vmcore <dump-file> -You can also access dumped memory as a /dev/oldmem device for a linear -and raw view. To create the device, use the following command: - - mknod /dev/oldmem c 1 12 - -Use the dd command with suitable options for count, bs, and skip to -access specific portions of the dump. - -To see the entire memory, use the following command: - - dd if=/dev/oldmem of=oldmem.001 - Analysis ======== _ Patches currently in -mm which might be from zhangyanfei@xxxxxxxxxxxxxx are linux-next.patch ipvs-change-type-of-netns_ipvs-sysctl_sync_qlen_max.patch vmcore-clean-up-read_vmcore.patch vmcore-allocate-buffer-for-elf-headers-on-page-size-alignment.patch vmcore-allocate-buffer-for-elf-headers-on-page-size-alignment-fix.patch vmcore-treat-memory-chunks-referenced-by-pt_load-program-header-entries-in-page-size-boundary-in-vmcore_list.patch vmalloc-make-find_vm_area-check-in-range.patch vmalloc-introduce-remap_vmalloc_range_partial.patch vmalloc-introduce-remap_vmalloc_range_partial-fix.patch vmcore-allocate-elf-note-segment-in-the-2nd-kernel-vmalloc-memory.patch vmcore-allocate-elf-note-segment-in-the-2nd-kernel-vmalloc-memory-fix.patch vmcore-allow-user-process-to-remap-elf-note-segment-buffer.patch vmcore-allow-user-process-to-remap-elf-note-segment-buffer-fix.patch vmcore-calculate-vmcore-file-size-from-buffer-size-and-total-size-of-vmcore-objects.patch vmcore-support-mmap-on-proc-vmcore.patch vmcore-support-mmap-on-proc-vmcore-fix.patch mm-remove-duplicated-call-of-get_pfn_range_for_nid.patch dev-oldmem-remove-the-interface.patch dev-oldmem-remove-the-interface-fix.patch documentation-kdump-kdumptxt-remove-dev-oldmem-description.patch mips-remove-savemaxmem-parameter-setup.patch powerpc-remove-savemaxmem-parameter-setup.patch ia64-remove-setting-for-saved_max_pfn.patch s390-remove-setting-for-saved_max_pfn.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html