diff options
| author | Jeremy Fitzhardinge <jeremy@xensource.com> | 2007-10-16 11:51:29 -0700 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2007-10-16 11:51:29 -0700 |
| commit | 4f8178477400cfc49a0657b96e873914d95081f8 (patch) | |
| tree | aa3cbcbcab4cdc1deb9aa410bb7d1dc82937c793 /arch | |
| parent | 8965c1c0950d459d99b8b81dfc1ab02e3d2cfb08 (diff) | |
remove dead code in pgtable_cache_init
The conversion from using a slab cache to quicklist left some residual
dead code.
I note that in the conversion it now always allocates a whole page for
the pgd, rather than the 32 bytes needed for a PAE pgd. Was this
intended?
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Andi Kleen <ak@suse.de>
Cc: William Lee Irwin III <wli@holomorphy.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/mm/init_32.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 730a5b177b1..aa4708fda3e 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -746,24 +746,12 @@ struct kmem_cache *pmd_cache; void __init pgtable_cache_init(void) { - size_t pgd_size = PTRS_PER_PGD*sizeof(pgd_t); - - if (PTRS_PER_PMD > 1) { + if (PTRS_PER_PMD > 1) pmd_cache = kmem_cache_create("pmd", - PTRS_PER_PMD*sizeof(pmd_t), - PTRS_PER_PMD*sizeof(pmd_t), - SLAB_PANIC, - pmd_ctor); - if (!SHARED_KERNEL_PMD) { - /* If we're in PAE mode and have a non-shared - kernel pmd, then the pgd size must be a - page size. This is because the pgd_list - links through the page structure, so there - can only be one pgd per page for this to - work. */ - pgd_size = PAGE_SIZE; - } - } + PTRS_PER_PMD*sizeof(pmd_t), + PTRS_PER_PMD*sizeof(pmd_t), + SLAB_PANIC, + pmd_ctor); } /* |