> +++ b/include/asm-generic/memory_model.h Introducing the problem that you explain, instead of fixing it. Makes sense, but from your patch it appears that your are I'm sorry, but I don't follow the logic here. > Causes _pfn_to_page and _page_to_pfn to be overwritten > When CONFIG_SPARSEMEM_VMEMMAP is enabled, > CONFIG_SPARSEMEM_VMEMMAP depends on CONFIG_SPARSEMEM To: zhijun.han +Cc: Linux-Arch, linux-kernel ` (2 subsequent siblings) 3 siblings, 0 replies 5+ messages in thread 3:28 mm: swap the definition of CONFIG_SPARSEMEM_VMEMMAP and CONFIG_SPARSEMEM 7:58 ` Arnd Bergmann * Re: mm: swap the definition of CONFIG_SPARSEMEM_VMEMMAP and CONFIG_SPARSEMEM ^ raw reply related 5+ messages in thread +#define _page_to_pfn(page) ((unsigned long)((page) - vmemmap)) +#define _pfn_to_page(pfn) (vmemmap + (pfn)) * Note: section's mem_map is encoded to reflect its -41,6 +35,12 mem_section *_sec = _pfn_to_section(_pfn) \ #define _page_to_pfn(page) (unsigned long)((page) - vmemmap) #define _pfn_to_page(pfn) (vmemmap + (pfn)) Include/asm-generic/memory_model.h | 12 ++++++-ġ file changed, 6 insertions(+), 6 deletions(-)ĭiff -git a/include/asm-generic/memory_model.h b/include/asm-generic/memory_model.h
When CONFIG_SPARSEMEM_VMEMMAP is enabled,Ĭauses _pfn_to_page and _page_to_pfn to be overwritten To: arnd +Cc: linux-arch, linux-kernel, zhijun.hanĬONFIG_SPARSEMEM_VMEMMAP depends on CONFIG_SPARSEMEM ` (3 more replies) 0 siblings, 4 replies 5+ messages in thread Mm: swap the definition of CONFIG_SPARSEMEM_VMEMMAP and CONFIG_SPARSEMEM All of help / color / mirror / Atom feed * mm: swap the definition of CONFIG_SPARSEMEM_VMEMMAP and CONFIG_SPARSEMEM 3:28 zhijun.han
0 kommentar(er)
