Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4f8178477400cfc49a0657b96e873914d95081f8
Commit: 4f8178477400cfc49a0657b96e873914d95081f8
Parent: 8965c1c0950d459d99b8b81dfc1ab02e3d2cfb08
Author: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 16 11:51:29 2007 -0700
Committer: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
CommitDate: Tue Oct 16 11:51:29 2007 -0700
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 <[EMAIL PROTECTED]>
Cc: Christoph Lameter <[EMAIL PROTECTED]>
Cc: Andi Kleen <[EMAIL PROTECTED]>
Cc: William Lee Irwin III <[EMAIL PROTECTED]>
Cc: Ingo Molnar <[EMAIL PROTECTED]>
Cc: Thomas Gleixner <[EMAIL PROTECTED]>
---
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 730a5b1..aa4708f 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);
}
/*
-
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