Re: [PATCH v5 0/3] Convert vmcore to use an iov_iter

2022-04-04 Thread Andrew Morton
> On Sat, 2 Apr 2022 12:30:05 +0800 Baoquan He wrote: You were on the patch delivery path, so these patches should have had your signoff. Documentation/process/submitting-patches.rst explains. > Copy the description of v3 cover letter from Willy: > === > For some reason several people have

[PATCH 2/2] makedumpfile: break loop after last dumpable page

2022-04-04 Thread Philipp Rudo
Once the last dumpable page was processed there is no need to finish the loop to the last page. Thus exit early to improve performance. Signed-off-by: Philipp Rudo --- makedumpfile.c | 6 ++ 1 file changed, 6 insertions(+) diff --git a/makedumpfile.c b/makedumpfile.c index 2ef3458..c944d0e

[PATCH 1/2] makedumpfile: omit unnecessary calls to print_progress

2022-04-04 Thread Philipp Rudo
Check first if a page is dumpable before printing the process. Otherwise there is the chance that num_dumped % per == 0 at the beginning of the block of undampable pages. In that case num_dumped isn't updated before the next dumpable page and thus print_process is called for every page in that

[PATCH 0/2] makedumpfile: improve write_kdump_pages_cyclic

2022-04-04 Thread Philipp Rudo
Hi, I noticed that on s390 makedumpfile sometimes floods the console with Copying data : [100.0 %] - eta: 0s causing the dump process to slow down dramatically. The patches attached are two somewhat separate approaches to fix this issue. In my opinion both patches make sense to