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DEBUG_PAGEALLOC was not possible on 64-bit due to its early-bootup hardcoded reliance on PSE pages, and the unrobustness of the runtime splitup of large pages. The splitup ended in recursive calls to alloc_pages() when a page for a pte split was requested. Avoid the recursion with a preallocated page pool, which is used to split up large mappings and gets refilled in the return path of kernel_map_pages after the split has been done. The size of the page pool is adjusted to the available memory. This part just implements the page pool and the initialization w/o using it yet. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> |
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| .. | ||
| discontig_32.c | ||
| extable.c | ||
| fault.c | ||
| highmem_32.c | ||
| hugetlbpage.c | ||
| init_32.c | ||
| init_64.c | ||
| ioremap.c | ||
| k8topology_64.c | ||
| Makefile | ||
| Makefile_32 | ||
| Makefile_64 | ||
| mmap.c | ||
| numa_64.c | ||
| pageattr-test.c | ||
| pageattr.c | ||
| pgtable_32.c | ||
| srat_64.c | ||