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authorLinus Torvalds <torvalds@linux-foundation.org>2012-10-09 16:23:15 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-09 16:23:15 +0900
commit9e2d8656f5e8aa214e66b462680cf86b210b74a8 (patch)
treef67d62e896cedf75599ea45f9ecf9999c6ad24cd /arch/sparc/include/asm/page_64.h
parent1ea4f4f8405cc1ceec23f2d261bc3775785e6712 (diff)
parent9e695d2ecc8451cc2c1603d60b5c8e7f5581923a (diff)
downloadop-kernel-dev-9e2d8656f5e8aa214e66b462680cf86b210b74a8.zip
op-kernel-dev-9e2d8656f5e8aa214e66b462680cf86b210b74a8.tar.gz
Merge branch 'akpm' (Andrew's patch-bomb)
Merge patches from Andrew Morton: "A few misc things and very nearly all of the MM tree. A tremendous amount of stuff (again), including a significant rbtree library rework." * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (160 commits) sparc64: Support transparent huge pages. mm: thp: Use more portable PMD clearing sequenece in zap_huge_pmd(). mm: Add and use update_mmu_cache_pmd() in transparent huge page code. sparc64: Document PGD and PMD layout. sparc64: Eliminate PTE table memory wastage. sparc64: Halve the size of PTE tables sparc64: Only support 4MB huge pages and 8KB base pages. memory-hotplug: suppress "Trying to free nonexistent resource <XXXXXXXXXXXXXXXX-YYYYYYYYYYYYYYYY>" warning mm: memcg: clean up mm_match_cgroup() signature mm: document PageHuge somewhat mm: use %pK for /proc/vmallocinfo mm, thp: fix mlock statistics mm, thp: fix mapped pages avoiding unevictable list on mlock memory-hotplug: update memory block's state and notify userspace memory-hotplug: preparation to notify memory block's state at memory hot remove mm: avoid section mismatch warning for memblock_type_name make GFP_NOTRACK definition unconditional cma: decrease cc.nr_migratepages after reclaiming pagelist CMA: migrate mlocked pages kpageflags: fix wrong KPF_THP on non-huge compound pages ...
Diffstat (limited to 'arch/sparc/include/asm/page_64.h')
-rw-r--r--arch/sparc/include/asm/page_64.h21
1 files changed, 7 insertions, 14 deletions
diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h
index f0d09b4..4b39f74 100644
--- a/arch/sparc/include/asm/page_64.h
+++ b/arch/sparc/include/asm/page_64.h
@@ -3,13 +3,7 @@
#include <linux/const.h>
-#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB)
#define PAGE_SHIFT 13
-#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB)
-#define PAGE_SHIFT 16
-#else
-#error No page size specified in kernel configuration
-#endif
#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
@@ -21,15 +15,9 @@
#define DCACHE_ALIASING_POSSIBLE
#endif
-#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB)
#define HPAGE_SHIFT 22
-#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K)
-#define HPAGE_SHIFT 19
-#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
-#define HPAGE_SHIFT 16
-#endif
-#ifdef CONFIG_HUGETLB_PAGE
+#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
#define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT)
#define HPAGE_MASK (~(HPAGE_SIZE - 1UL))
#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
@@ -38,6 +26,11 @@
#ifndef __ASSEMBLY__
+#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
+struct mm_struct;
+extern void hugetlb_setup(struct mm_struct *mm);
+#endif
+
#define WANT_PAGE_VIRTUAL
extern void _clear_page(void *page);
@@ -98,7 +91,7 @@ typedef unsigned long pgprot_t;
#endif /* (STRICT_MM_TYPECHECKS) */
-typedef struct page *pgtable_t;
+typedef pte_t *pgtable_t;
#define TASK_UNMAPPED_BASE (test_thread_flag(TIF_32BIT) ? \
(_AC(0x0000000070000000,UL)) : \
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