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create_region() mapped up to ENTRIES_PER_PGT pages through one final level table, from whatever address the region started at. The text region starts one page after the reserved area, so a region that crossed the end of the table wrapped around and mapped its last pages over the first entries of the same table. In a program with more than about 2 MB of text, the reserved area became read-only and the kernel faulted in umm_initialize(). Walk the region one final level table at a time. Assisted-by: Claude Code:claude-opus-5-5 Signed-off-by: Marco Casaroli <marco.casaroli@gmail.com> |
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| arm | ||
| arm64 | ||
| avr | ||
| ceva | ||
| dummy | ||
| hc | ||
| mips | ||
| misoc | ||
| or1k | ||
| renesas | ||
| risc-v | ||
| sim | ||
| sparc | ||
| tricore | ||
| x86 | ||
| x86_64 | ||
| xtensa | ||
| z16 | ||
| z80 | ||
| CMakeLists.txt | ||
| Kconfig | ||