Commit 3e03a2fc authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky

[S390] kernel page table allocation.

Don't waste DMA capable pages for identity mapping page tables.
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent b18a60e7
...@@ -129,7 +129,7 @@ void __init paging_init(void) ...@@ -129,7 +129,7 @@ void __init paging_init(void)
/* /*
* pg_table is physical at this point * 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->pgd0 = (_PAGE_TABLE | __pa(pg_table));
pg_dir->pgd1 = (_PAGE_TABLE | (__pa(pg_table)+1024)); pg_dir->pgd1 = (_PAGE_TABLE | (__pa(pg_table)+1024));
...@@ -219,7 +219,7 @@ void __init paging_init(void) ...@@ -219,7 +219,7 @@ void __init paging_init(void)
continue; 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); pgd_populate(&init_mm, pg_dir, pm_dir);
for (j = 0 ; j < PTRS_PER_PMD ; j++,pm_dir++) { for (j = 0 ; j < PTRS_PER_PMD ; j++,pm_dir++) {
...@@ -228,7 +228,7 @@ void __init paging_init(void) ...@@ -228,7 +228,7 @@ void __init paging_init(void)
continue; 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); pmd_populate_kernel(&init_mm, pm_dir, pt_dir);
for (k = 0 ; k < PTRS_PER_PTE ; k++,pt_dir++) { for (k = 0 ; k < PTRS_PER_PTE ; k++,pt_dir++) {
......
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