s390/mm: improve description of mapping permissions of prefix pages

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Slightly improve the description which explains why the first prefix
page must be mapped executable when the BEAR-enhancement facility is
not installed.

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

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This commit is contained in:

Heiko Carstens 2023-08-25 14:29:50 +02:00

parent 3eeb07788f

commit a6e49f10f4

1 changed files with 5 additions and 2 deletions

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7

arch/s390/mm/vmem.c

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