Messages in this thread Patch in this message | | | From | Wupeng Ma <> | Subject | [PATCH v2 7/9] mm: Calc the right pfn if page size is not 4K | Date | Thu, 14 Apr 2022 18:13:12 +0800 |
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From: Ma Wupeng <mawupeng1@huawei.com>
Previous 0x100000 is used to check the 4G limit in find_zone_movable_pfns_for_nodes(). This is right in x86 because the page size can only be 4K. But 16K and 64K are available in arm64. So replace it with PHYS_PFN(SZ_4G).
Signed-off-by: Ma Wupeng <mawupeng1@huawei.com> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 6e5b4488a0c5..570d0ebf98df 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -7870,7 +7870,7 @@ static void __init find_zone_movable_pfns_for_nodes(void) usable_startpfn = memblock_region_memory_base_pfn(r); - if (usable_startpfn < 0x100000) { + if (usable_startpfn < PHYS_PFN(SZ_4G)) { mem_below_4gb_not_mirrored = true; continue; } -- 2.18.0.huawei.25
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