linux

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History

Heiko Carstens c34a69059d s390/vmem: fix identity mapping

The identity mapping is suboptimal for the last 2GB frame. The mapping
will be established with a mix of 4KB and 1MB mappings instead of a
single 2GB mapping.

This happens because of a off-by-one bug introduced with
commit 50be63450728 ("s390/mm: Convert bootmem to memblock").

Currently the identity mapping looks like this:

0x0000000080000000-0x0000000180000000        4G PUD RW
0x0000000180000000-0x00000001fff00000     2047M PMD RW
0x00000001fff00000-0x0000000200000000        1M PTE RW

With the bug fixed it looks like this:

0x0000000080000000-0x0000000200000000        6G PUD RW

Fixes: 50be63450728 ("s390/mm: Convert bootmem to memblock")
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2016-05-11 10:20:30 +02:00

appldata

s390: appldata: drop owner assignment from platform_drivers

2014-10-20 16:20:13 +02:00

boot

s390/boot/decompression: disable floating point in decompressor

2015-09-29 14:45:10 +02:00

configs

s390/configs: update default configurations

2016-01-11 13:01:28 +01:00

crypto

s390/crypto: cleanup and move the header with the cpacf definitions