UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

s390/vmem: make use of pte_clear() 

Use pte_clear() instead of open-coding it.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2016-05-17 12:17:51 +02:00 committed by Martin Schwidefsky
parent c126aa83e2
commit 5aa29975e8
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/s390/mm/vmem.c
View File

@ -148,9 +148,7 @@ static void vmem_remove_range(unsigned long start, unsigned long size)
pud_t *pu_dir;
pmd_t *pm_dir;
pte_t *pt_dir;
pte_t pte;
pte_val(pte) = _PAGE_INVALID;
while (address < end) {
pg_dir = pgd_offset_k(address);
if (pgd_none(*pg_dir)) {
@ -178,7 +176,7 @@ static void vmem_remove_range(unsigned long start, unsigned long size)
continue;
}
pt_dir = pte_offset_kernel(pm_dir, address);
*pt_dir = pte;
pte_clear(&init_mm, address, pt_dir);
address += PAGE_SIZE;
}
flush_tlb_kernel_range(start, end);