Axel Dörfler 230a037ed4 Fixed a bad bug in vm_copy_on_write_area(): the area's cache offset was not taken ...

into account when remapping the pages read-only; it could have overwritten valid
page mappings this way. This was also the reason for the Terminal to crash - it
does now work as it should, although some keys don't work (like tab completion)).
vm_copy_area() no longer always sets B_KERNEL_WRITE_AREA if no kernel protection
was specified, but mirrors the userland protection (for example, the x86 MMU is
not able to have a page writable in kernel but not in userland). This caused
some areas to be read/write when read-only would have been enough.
vm_copy_area() now panics when vm_copy_on_write_area() fails - that's of course
no real solution, but it's bettern than letting it silently fail.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13768 a95241bf-73f2-0310-859d-f6bbb57e9c96

2005-07-19 18:00:31 +00:00

..

Jamfile

Added a basic low memory handler service.

2005-06-13 13:03:54 +00:00

vm_address_space.c

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vm_cache.c

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vm_daemons.c

Renamed RESERVED_REGION_ID to RESERVED_AREA_ID.

2005-05-15 15:06:57 +00:00

vm_low_memory.cpp

Added a basic low memory handler service.

2005-06-13 13:03:54 +00:00

vm_page.c

Minor cleanup, changed return type of page count functions (from addr_t to size_t,

2005-06-13 13:02:24 +00:00

vm_store_anonymous_noswap.c

Added an additional flag B_OVERCOMMITTING_AREA (currently to be specified

2005-05-15 15:03:44 +00:00

vm_store_device.c

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vm_store_null.c

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vm_tests.c

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vm.cpp

Fixed a bad bug in vm_copy_on_write_area(): the area's cache offset was not taken

2005-07-19 18:00:31 +00:00