trivial: improve help text for mm debug config options
Improve the help text for PAGE_POISONING. Also fix some typos and improve consistency within the file. Signed-of-by: Frans Pop <elendil@planet.nl> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -6,7 +6,7 @@ config DEBUG_PAGEALLOC
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---help---
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---help---
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Unmap pages from the kernel linear mapping after free_pages().
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Unmap pages from the kernel linear mapping after free_pages().
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This results in a large slowdown, but helps to find certain types
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This results in a large slowdown, but helps to find certain types
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of memory corruptions.
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of memory corruption.
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config WANT_PAGE_DEBUG_FLAGS
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config WANT_PAGE_DEBUG_FLAGS
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bool
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bool
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@ -17,11 +17,11 @@ config PAGE_POISONING
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depends on !HIBERNATION
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depends on !HIBERNATION
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select DEBUG_PAGEALLOC
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select DEBUG_PAGEALLOC
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select WANT_PAGE_DEBUG_FLAGS
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select WANT_PAGE_DEBUG_FLAGS
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help
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---help---
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Fill the pages with poison patterns after free_pages() and verify
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Fill the pages with poison patterns after free_pages() and verify
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the patterns before alloc_pages(). This results in a large slowdown,
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the patterns before alloc_pages(). This results in a large slowdown,
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but helps to find certain types of memory corruptions.
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but helps to find certain types of memory corruption.
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This option cannot enalbe with hibernation. Otherwise, it will get
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This option cannot be enabled in combination with hibernation as
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wrong messages for memory corruption because the free pages are not
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that would result in incorrect warnings of memory corruption after
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saved to the suspend image.
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a resume because free pages are not saved to the suspend image.
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