mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 10:49:33 +00:00
[S390] kernel page table allocation.
Don't waste DMA capable pages for identity mapping page tables. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
parent
b18a60e7c2
commit
3e03a2fcb2
1 changed files with 3 additions and 3 deletions
|
@ -129,7 +129,7 @@ void __init paging_init(void)
|
|||
/*
|
||||
* pg_table is physical at this point
|
||||
*/
|
||||
pg_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
|
||||
pg_table = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
|
||||
|
||||
pg_dir->pgd0 = (_PAGE_TABLE | __pa(pg_table));
|
||||
pg_dir->pgd1 = (_PAGE_TABLE | (__pa(pg_table)+1024));
|
||||
|
@ -219,7 +219,7 @@ void __init paging_init(void)
|
|||
continue;
|
||||
}
|
||||
|
||||
pm_dir = (pmd_t *) alloc_bootmem_low_pages(PAGE_SIZE*4);
|
||||
pm_dir = (pmd_t *) alloc_bootmem_pages(PAGE_SIZE * 4);
|
||||
pgd_populate(&init_mm, pg_dir, pm_dir);
|
||||
|
||||
for (j = 0 ; j < PTRS_PER_PMD ; j++,pm_dir++) {
|
||||
|
@ -228,7 +228,7 @@ void __init paging_init(void)
|
|||
continue;
|
||||
}
|
||||
|
||||
pt_dir = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
|
||||
pt_dir = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
|
||||
pmd_populate_kernel(&init_mm, pm_dir, pt_dir);
|
||||
|
||||
for (k = 0 ; k < PTRS_PER_PTE ; k++,pt_dir++) {
|
||||
|
|
Loading…
Reference in a new issue