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| author |   Vasily Gorbik <gor@linux.ibm.com> | 2018-04-11 19:15:24 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-10-09 11:21:12 +0200 |
| commit | 54c57795e848100a2502b7a39b12b784292f4576 (patch) | |
| tree | ae93ff66373017b80bbeecd2bc74aa5e04746246 /arch/s390/include/asm/mem_detect.h | |
| parent | s390/mem_detect: use SCLP info for continuous memory detection (diff) | |
| download | linux-dev-54c57795e848100a2502b7a39b12b784292f4576.tar.xz linux-dev-54c57795e848100a2502b7a39b12b784292f4576.zip | |
s390/mem_detect: replace tprot loop with binary search
In a situation when other memory detection methods are not available
(no SCLP and no z/VM diag260), continuous online memory is assumed.
Replacing tprot loop with faster binary search, as only online memory
end has to be found.
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/mem_detect.h')
| -rw-r--r-- | arch/s390/include/asm/mem_detect.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/mem_detect.h b/arch/s390/include/asm/mem_detect.h index 153c3542fa8a..6114b92ab667 100644 --- a/arch/s390/include/asm/mem_detect.h +++ b/arch/s390/include/asm/mem_detect.h @@ -9,7 +9,7 @@ enum mem_info_source { MEM_DETECT_SCLP_STOR_INFO, MEM_DETECT_DIAG260, MEM_DETECT_SCLP_READ_INFO, - MEM_DETECT_TPROT_LOOP + MEM_DETECT_BIN_SEARCH }; struct mem_detect_block { |