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s390/debug: Update description of resize operation

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With commit 1204777867 ("s390/debug: keep debug data on resize")
the behavior of a debug area resize operation was changed. Update the
associated documentation to reflect this change.

Fixes: 1204777867 ("s390/debug: keep debug data on resize")
Reported-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Peter Oberparleiter
2025-11-14 15:04:20 +01:00
committed by Heiko Carstens
parent 0d79affa31
commit 2a2153a2ba
1 changed files with 2 additions and 3 deletions
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5
Documentation/arch/s390/s390dbf.rst
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@@ -243,9 +243,8 @@ Examples:
Changing the size of debug areas
------------------------------------
It is possible the change the size of debug areas through piping
the number of pages to the debugfs file "pages". The resize request will
also flush the debug areas.
To resize a debug area, write the desired page count to the "pages" file.
Existing data is preserved if it fits; otherwise, oldest entries are dropped.
Example: