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authorDavid Gibson <david@gibson.dropbear.id.au>2005-06-21 17:14:44 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-21 18:46:15 -0700
commit63551ae0feaaa23807ebea60de1901564bbef32e (patch)
treef6f97f60f83c3e9813bdfcc6039c499997b1ea10 /include/asm-sh/pgtable.h
parent1e7e5a9048b30c57ba1ddaa6cdf59b21b65cde99 (diff)
[PATCH] Hugepage consolidation
A lot of the code in arch/*/mm/hugetlbpage.c is quite similar. This patch attempts to consolidate a lot of the code across the arch's, putting the combined version in mm/hugetlb.c. There are a couple of uglyish hacks in order to covert all the hugepage archs, but the result is a very large reduction in the total amount of code. It also means things like hugepage lazy allocation could be implemented in one place, instead of six. Tested, at least a little, on ppc64, i386 and x86_64. Notes: - this patch changes the meaning of set_huge_pte() to be more analagous to set_pte() - does SH4 need s special huge_ptep_get_and_clear()?? Acked-by: William Lee Irwin <wli@holomorphy.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-sh/pgtable.h')
-rw-r--r--include/asm-sh/pgtable.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-sh/pgtable.h b/include/asm-sh/pgtable.h
index cd847a47a9aa..ecb909572d3f 100644
--- a/include/asm-sh/pgtable.h
+++ b/include/asm-sh/pgtable.h
@@ -196,6 +196,7 @@ static inline pte_t pte_mkexec(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _
static inline pte_t pte_mkdirty(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
static inline pte_t pte_mkyoung(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
static inline pte_t pte_mkwrite(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW)); return pte; }
+static inline pte_t pte_mkhuge(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_SZHUGE)); return pte; }
/*
* Macro and implementation to make a page protection as uncachable.