KASAN shadow map doesn't need to be accessible through the linear kernel
mapping, allocate its pages with MEMBLOCK_ALLOC_ANYWHERE so that high
memory can be used. This frees up to ~100MB of low memory on xtensa
configurations with KASAN and high memory.
Cc: stable@vger.kernel.org # v5.1+
Fixes:
|
||
|---|---|---|
| .. | ||
| Makefile | ||
| cache.c | ||
| fault.c | ||
| highmem.c | ||
| init.c | ||
| ioremap.c | ||
| kasan_init.c | ||
| misc.S | ||
| mmu.c | ||
| tlb.c | ||