Leverage the macro PAGE_ALIGN_DOWN to get pgend. Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx> --- mm/memblock.c | 2 +- tools/include/linux/mm.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/memblock.c b/mm/memblock.c index da9a6c862a69..33a8b6f7b626 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -2039,7 +2039,7 @@ static void __init free_memmap(unsigned long start_pfn, unsigned long end_pfn) * downwards. */ pg = PAGE_ALIGN(__pa(start_pg)); - pgend = __pa(end_pg) & PAGE_MASK; + pgend = PAGE_ALIGN_DOWN(__pa(end_pg)); /* * If there are free pages between these, free the section of the diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h index 7d73da098047..caf68f5084b3 100644 --- a/tools/include/linux/mm.h +++ b/tools/include/linux/mm.h @@ -15,6 +15,7 @@ #define ALIGN_DOWN(x, a) __ALIGN_KERNEL((x) - ((a) - 1), (a)) #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) +#define PAGE_ALIGN_DOWN(addr) ALIGN_DOWN(addr, PAGE_SIZE) #define __va(x) ((void *)((unsigned long)(x))) #define __pa(x) ((unsigned long)(x)) -- 2.34.1
