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Commit | Line | Data |
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6a11f75b AM |
1 | config WANT_PAGE_DEBUG_FLAGS |
2 | bool | |
3 | ||
4 | config PAGE_POISONING | |
5 | bool "Debug page memory allocations" | |
6 | depends on DEBUG_KERNEL && !ARCH_SUPPORTS_DEBUG_PAGEALLOC | |
7 | depends on !HIBERNATION | |
8 | select DEBUG_PAGEALLOC | |
9 | select WANT_PAGE_DEBUG_FLAGS | |
10 | help | |
11 | Fill the pages with poison patterns after free_pages() and verify | |
12 | the patterns before alloc_pages(). This results in a large slowdown, | |
13 | but helps to find certain types of memory corruptions. | |
14 | ||
15 | This option cannot enalbe with hibernation. Otherwise, it will get | |
16 | wrong messages for memory corruption because the free pages are not | |
17 | saved to the suspend image. |