net: ipv6 bind to device issue
[linux-2.6-block.git] / mm / Kconfig.debug
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1config DEBUG_PAGEALLOC
2 bool "Debug page memory allocations"
3 depends on DEBUG_KERNEL && ARCH_SUPPORTS_DEBUG_PAGEALLOC
4 depends on !HIBERNATION || !PPC && !SPARC
7d46d9e6 5 depends on !KMEMCHECK
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6 ---help---
7 Unmap pages from the kernel linear mapping after free_pages().
8 This results in a large slowdown, but helps to find certain types
22f8b458 9 of memory corruption.
ee3b4290 10
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11config WANT_PAGE_DEBUG_FLAGS
12 bool
13
14config PAGE_POISONING
15 bool "Debug page memory allocations"
16 depends on DEBUG_KERNEL && !ARCH_SUPPORTS_DEBUG_PAGEALLOC
17 depends on !HIBERNATION
18 select DEBUG_PAGEALLOC
19 select WANT_PAGE_DEBUG_FLAGS
22f8b458 20 ---help---
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21 Fill the pages with poison patterns after free_pages() and verify
22 the patterns before alloc_pages(). This results in a large slowdown,
22f8b458 23 but helps to find certain types of memory corruption.
6a11f75b 24
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25 This option cannot be enabled in combination with hibernation as
26 that would result in incorrect warnings of memory corruption after
27 a resume because free pages are not saved to the suspend image.