On 19.05.21 17:28, Krzysztof Kozlowski wrote:
The documentation of DEBUG_PAGEALLOC states that it cannot be used with
hibernation, however the Kconfig entry would allow it if
ARCH_SUPPORTS_DEBUG_PAGEALLOC && !PPC && !SPARC.
Fixes: ee3b4290aec0 ("generic debug pagealloc: build fix")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
---
mm/Kconfig.debug | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index 1e73717802f8..0ace5b2a9d04 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -11,7 +11,7 @@ config PAGE_EXTENSION
config DEBUG_PAGEALLOC
bool "Debug page memory allocations"
depends on DEBUG_KERNEL
- depends on !HIBERNATION || ARCH_SUPPORTS_DEBUG_PAGEALLOC && !PPC && !SPARC
+ depends on !HIBERNATION && ARCH_SUPPORTS_DEBUG_PAGEALLOC && !PPC && !SPARC
select PAGE_POISONING if !ARCH_SUPPORTS_DEBUG_PAGEALLOC
help
Unmap pages from the kernel linear mapping after free_pages().
I remember this should be working now, as we temporarily map the pages
in the direct map when hibernating?
--
Thanks,
David / dhildenb
