Hi maintainers，
I saw the patches has been reviewed[1], could they be merged?
Many thanks.
[1] https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=286464
On 2022/2/16 20:11, Kefeng Wang wrote:
This reverts commit 602946ec2f90d5bd965857753880db29d2d9a1e9.
If CONFIG_HIGHMEM enabled, highmem will be disappeared with max_mapnr
set to max_low_pfn, see mem_init(),
for (pfn = highmem_mapnr; pfn < max_mapnr; ++pfn) {
...
free_highmem_page();
}
Revert it and will fix virt_addr_valid() check in the next patch.
Cc: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
Fixes: 602946ec2f90 ("powerpc: Set max_mapnr correctly")
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
---
v4:
- new patch
arch/powerpc/mm/mem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 8e301cd8925b..4d221d033804 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -255,7 +255,7 @@ void __init mem_init(void)
#endif
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
- set_max_mapnr(max_low_pfn);
+ set_max_mapnr(max_pfn);
kasan_late_init();
