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Author SHA1 Message Date
Tiwei Bie
9b0881858c um: Rename _PAGE_NEWPAGE to _PAGE_NEEDSYNC
The _PAGE_NEWPAGE bit does not really indicate that this is a new page,
but rather whether this entry needs to be synced or not. Renaming it
to _PAGE_NEEDSYNC will make it more clear how everything ties together.

Suggested-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20241011102354.1682626-3-tiwei.btw@antgroup.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2024-10-23 09:52:49 +02:00
Benjamin Berg
41ab5fe747 um: Switch to 4 level page tables on 64 bit
The larger memory space is useful to support more applications inside
UML. One example for this is ASAN instrumentation of userspace
applications which requires addresses that would otherwise not be
available.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Link: https://patch.msgid.link/20240919124511.282088-11-benjamin@sipsolutions.net
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2024-10-10 13:37:22 +02:00
Renamed from arch/um/include/asm/pgtable-3level.h (Browse further)