Unverified Commit c5486cb2 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!6103 riscv: Sparse-Memory/vmemmap out-of-bounds fix 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Zucheng <zhengzucheng@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/JEVMTFNBLBYM335WZ43LIO4OISN2JI2L/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9E466 
 
Link:https://gitee.com/openeuler/kernel/pulls/6103

 

Reviewed-by: default avatarMingzheng Xing <xingmingzheng@iscas.ac.cn>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents f13ace22 9428674e

arch/riscv/include/asm/pgtable.h

+1 −1
Original line number Diff line number Diff line
@@ -44,7 +44,7 @@ 
 * Define vmemmap for pfn_to_page & page_to_pfn calls. Needed if kernel

 * is configured with CONFIG_SPARSEMEM_VMEMMAP enabled.

 */

#define vmemmap		((struct page *)VMEMMAP_START)

#define vmemmap		((struct page *)VMEMMAP_START - (phys_ram_base >> PAGE_SHIFT))



#define PCI_IO_SIZE      SZ_16M

#define PCI_IO_END       VMEMMAP_START