lkml.org 
[lkml]   [2021]   [Jan]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 29/29] csky: Fixup pfn_valid error with wrong max_mapnr
Date
From: Guo Ren <guoren@linux.alibaba.com>

The max_mapnr is the number of PFNs, not absolute PFN offset.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
---
arch/csky/mm/init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c
index 03970f4408f5..81e4e5e78f38 100644
--- a/arch/csky/mm/init.c
+++ b/arch/csky/mm/init.c
@@ -86,9 +86,9 @@ void __init mem_init(void)
#ifdef CONFIG_HIGHMEM
unsigned long tmp;

- set_max_mapnr(highend_pfn);
+ set_max_mapnr(highend_pfn - ARCH_PFN_OFFSET);
#else
- set_max_mapnr(max_low_pfn);
+ set_max_mapnr(max_low_pfn - ARCH_PFN_OFFSET);
#endif
high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);

--
2.17.1
\
 
 \ /
  Last update: 2021-01-21 08:12    [W:0.114 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site