diff options
author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2006-08-16 07:49:37 -0400 |
---|---|---|
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-08-16 07:49:37 -0400 |
commit | 3e03a2fcb2c031062f9bf698ce999b77cd80aec4 (patch) | |
tree | a65228d2f8c2466410b2ae5aa26f0637343fd456 /arch/s390/mm/init.c | |
parent | b18a60e7c2a7f2a17dbd57885621a42d546e2f7d (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.c | 6 |
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++) { |