s390/mm/gmap: Refactor gmap_fault() and add support for pfault

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When specifying FAULT_FLAG_RETRY_NOWAIT as flag for gmap_fault(), the
gmap fault will be processed only if it can be resolved quickly and
without sleeping. This will be needed for pfault.

Refactor gmap_fault() to improve readability.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://lore.kernel.org/r/20241022120601.167009-4-imbrenda@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

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Claudio Imbrenda 2024-10-22 14:05:53 +02:00 • committed by Heiko Carstens

parent ca3c6dc3a9

commit 075fd7362c

1 changed files with 100 additions and 19 deletions

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arch/s390/mm/gmap.c

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