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authorHeiko Carstens <heiko.carstens@de.ibm.com>2006-08-16 07:49:37 -0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-08-16 07:49:37 -0400
commit3e03a2fcb2c031062f9bf698ce999b77cd80aec4 (patch)
treea65228d2f8c2466410b2ae5aa26f0637343fd456 /arch/s390/mm/init.c
parentb18a60e7c2a7f2a17dbd57885621a42d546e2f7d (diff)
[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>
Diffstat (limited to 'arch/s390/mm/init.c')
-rw-r--r--arch/s390/mm/init.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index eb6ebfef134a..6e6b6de77770 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -129,7 +129,7 @@ void __init paging_init(void)
129 /* 129 /*
130 * pg_table is physical at this point 130 * pg_table is physical at this point
131 */ 131 */
132 pg_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE); 132 pg_table = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
133 133
134 pg_dir->pgd0 = (_PAGE_TABLE | __pa(pg_table)); 134 pg_dir->pgd0 = (_PAGE_TABLE | __pa(pg_table));
135 pg_dir->pgd1 = (_PAGE_TABLE | (__pa(pg_table)+1024)); 135 pg_dir->pgd1 = (_PAGE_TABLE | (__pa(pg_table)+1024));
@@ -219,7 +219,7 @@ void __init paging_init(void)
219 continue; 219 continue;
220 } 220 }
221 221
222 pm_dir = (pmd_t *) alloc_bootmem_low_pages(PAGE_SIZE*4); 222 pm_dir = (pmd_t *) alloc_bootmem_pages(PAGE_SIZE * 4);
223 pgd_populate(&init_mm, pg_dir, pm_dir); 223 pgd_populate(&init_mm, pg_dir, pm_dir);
224 224
225 for (j = 0 ; j < PTRS_PER_PMD ; j++,pm_dir++) { 225 for (j = 0 ; j < PTRS_PER_PMD ; j++,pm_dir++) {
@@ -228,7 +228,7 @@ void __init paging_init(void)
228 continue; 228 continue;
229 } 229 }
230 230
231 pt_dir = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE); 231 pt_dir = (pte_t *) alloc_bootmem_pages(PAGE_SIZE);
232 pmd_populate_kernel(&init_mm, pm_dir, pt_dir); 232 pmd_populate_kernel(&init_mm, pm_dir, pt_dir);
233 233
234 for (k = 0 ; k < PTRS_PER_PTE ; k++,pt_dir++) { 234 for (k = 0 ; k < PTRS_PER_PTE ; k++,pt_dir++) {