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mm/memblock: use PAGE_ALIGN_DOWN to get pgend in free_memmap

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Leverage the macro PAGE_ALIGN_DOWN to get pgend.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Link: https://lore.kernel.org/r/20240507075833.6346-7-richard.weiyang@gmail.com
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
This commit is contained in:
Wei Yang
2024-05-07 07:58:32 +00:00
committed by Mike Rapoport (IBM)
parent 1eb0a28d03
commit b73f6b98bb
2 changed files with 2 additions and 1 deletions
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2
mm/memblock.c
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@@ -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

1
tools/include/linux/mm.h
View File

@@ -12,6 +12,7 @@
#define PHYS_ADDR_MAX (~(phys_addr_t)0)
#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))