---

yaml --- r: 31370 b: refs/heads/master c: f6ac235 h: refs/heads/master v: v3
git-mirror · Jun 30, 2006 · 117e161 · 117e161
1 parent b8ffe1c
commit 117e161
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Showing 8 changed files with 570 additions and 550 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 672b2714ae57af16fe7d760dc4e0918a7a6cb0fa
+refs/heads/master: f6ac2354d791195ca40822b84d73d48a4e8b7f2b
diff --git a/trunk/include/asm-s390/pgtable.h b/trunk/include/asm-s390/pgtable.h
@@ -657,13 +657,6 @@ static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot)
 	__pte;                                                            \
 })
 
-#define SetPageUptodate(_page) \
-	do {								      \
-		struct page *__page = (_page);				      \
-		if (!test_and_set_bit(PG_uptodate, &__page->flags))	      \
-			page_test_and_clear_dirty(_page);		      \
-	} while (0)
-
 #ifdef __s390x__
 
 #define pfn_pmd(pfn, pgprot)                                              \

diff --git a/trunk/include/linux/mm.h b/trunk/include/linux/mm.h
@@ -36,7 +36,6 @@ extern int sysctl_legacy_va_layout;
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
-#include <asm/atomic.h>
 
 #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
 
@@ -515,6 +514,11 @@ static inline void set_page_links(struct page *page, unsigned long zone,
 	set_page_section(page, pfn_to_section_nr(pfn));
 }
 
+/*
+ * Some inline functions in vmstat.h depend on page_zone()
+ */
+#include <linux/vmstat.h>
+
 #ifndef CONFIG_DISCONTIGMEM
 /* The array of struct pages - for discontigmem use pgdat->lmem_map */
 extern struct page *mem_map;

diff --git a/trunk/include/linux/page-flags.h b/trunk/include/linux/page-flags.h
@@ -5,12 +5,8 @@
 #ifndef PAGE_FLAGS_H
 #define PAGE_FLAGS_H
 
-#include <linux/percpu.h>
-#include <linux/cache.h>
 #include <linux/types.h>
 
-#include <asm/pgtable.h>
-
 /*
  * Various page->flags bits:
  *
@@ -102,134 +98,6 @@
 #define PG_uncached		31	/* Page has been mapped as uncached */
 #endif
 
-/*
- * Global page accounting.  One instance per CPU.  Only unsigned longs are
- * allowed.
- *
- * - Fields can be modified with xxx_page_state and xxx_page_state_zone at
- * any time safely (which protects the instance from modification by
- * interrupt.
- * - The __xxx_page_state variants can be used safely when interrupts are
- * disabled.
- * - The __xxx_page_state variants can be used if the field is only
- * modified from process context and protected from preemption, or only
- * modified from interrupt context.  In this case, the field should be
- * commented here.
- */
-struct page_state {
-	unsigned long nr_dirty;		/* Dirty writeable pages */
-	unsigned long nr_writeback;	/* Pages under writeback */
-	unsigned long nr_unstable;	/* NFS unstable pages */
-	unsigned long nr_page_table_pages;/* Pages used for pagetables */
-	unsigned long nr_mapped;	/* mapped into pagetables.
-					 * only modified from process context */
-	unsigned long nr_slab;		/* In slab */
-#define GET_PAGE_STATE_LAST nr_slab
-
-	/*
-	 * The below are zeroed by get_page_state().  Use get_full_page_state()
-	 * to add up all these.
-	 */
-	unsigned long pgpgin;		/* Disk reads */
-	unsigned long pgpgout;		/* Disk writes */
-	unsigned long pswpin;		/* swap reads */
-	unsigned long pswpout;		/* swap writes */
-
-	unsigned long pgalloc_high;	/* page allocations */
-	unsigned long pgalloc_normal;
-	unsigned long pgalloc_dma32;
-	unsigned long pgalloc_dma;
-
-	unsigned long pgfree;		/* page freeings */
-	unsigned long pgactivate;	/* pages moved inactive->active */
-	unsigned long pgdeactivate;	/* pages moved active->inactive */
-
-	unsigned long pgfault;		/* faults (major+minor) */
-	unsigned long pgmajfault;	/* faults (major only) */
-
-	unsigned long pgrefill_high;	/* inspected in refill_inactive_zone */
-	unsigned long pgrefill_normal;
-	unsigned long pgrefill_dma32;
-	unsigned long pgrefill_dma;
-
-	unsigned long pgsteal_high;	/* total highmem pages reclaimed */
-	unsigned long pgsteal_normal;
-	unsigned long pgsteal_dma32;
-	unsigned long pgsteal_dma;
-
-	unsigned long pgscan_kswapd_high;/* total highmem pages scanned */
-	unsigned long pgscan_kswapd_normal;
-	unsigned long pgscan_kswapd_dma32;
-	unsigned long pgscan_kswapd_dma;
-
-	unsigned long pgscan_direct_high;/* total highmem pages scanned */
-	unsigned long pgscan_direct_normal;
-	unsigned long pgscan_direct_dma32;
-	unsigned long pgscan_direct_dma;
-
-	unsigned long pginodesteal;	/* pages reclaimed via inode freeing */
-	unsigned long slabs_scanned;	/* slab objects scanned */
-	unsigned long kswapd_steal;	/* pages reclaimed by kswapd */
-	unsigned long kswapd_inodesteal;/* reclaimed via kswapd inode freeing */
-	unsigned long pageoutrun;	/* kswapd's calls to page reclaim */
-	unsigned long allocstall;	/* direct reclaim calls */
-
-	unsigned long pgrotated;	/* pages rotated to tail of the LRU */
-	unsigned long nr_bounce;	/* pages for bounce buffers */
-};
-
-extern void get_page_state(struct page_state *ret);
-extern void get_page_state_node(struct page_state *ret, int node);
-extern void get_full_page_state(struct page_state *ret);
-extern unsigned long read_page_state_offset(unsigned long offset);
-extern void mod_page_state_offset(unsigned long offset, unsigned long delta);
-extern void __mod_page_state_offset(unsigned long offset, unsigned long delta);
-
-#define read_page_state(member) \
-	read_page_state_offset(offsetof(struct page_state, member))
-
-#define mod_page_state(member, delta)	\
-	mod_page_state_offset(offsetof(struct page_state, member), (delta))
-
-#define __mod_page_state(member, delta)	\
-	__mod_page_state_offset(offsetof(struct page_state, member), (delta))
-
-#define inc_page_state(member)		mod_page_state(member, 1UL)
-#define dec_page_state(member)		mod_page_state(member, 0UL - 1)
-#define add_page_state(member,delta)	mod_page_state(member, (delta))
-#define sub_page_state(member,delta)	mod_page_state(member, 0UL - (delta))
-
-#define __inc_page_state(member)	__mod_page_state(member, 1UL)
-#define __dec_page_state(member)	__mod_page_state(member, 0UL - 1)
-#define __add_page_state(member,delta)	__mod_page_state(member, (delta))
-#define __sub_page_state(member,delta)	__mod_page_state(member, 0UL - (delta))
-
-#define page_state(member) (*__page_state(offsetof(struct page_state, member)))
-
-#define state_zone_offset(zone, member)					\
-({									\
-	unsigned offset;						\
-	if (is_highmem(zone))						\
-		offset = offsetof(struct page_state, member##_high);	\
-	else if (is_normal(zone))					\
-		offset = offsetof(struct page_state, member##_normal);	\
-	else if (is_dma32(zone))					\
-		offset = offsetof(struct page_state, member##_dma32);	\
-	else								\
-		offset = offsetof(struct page_state, member##_dma);	\
-	offset;								\
-})
-
-#define __mod_page_state_zone(zone, member, delta)			\
- do {									\
-	__mod_page_state_offset(state_zone_offset(zone, member), (delta)); \
- } while (0)
-
-#define mod_page_state_zone(zone, member, delta)			\
- do {									\
-	mod_page_state_offset(state_zone_offset(zone, member), (delta)); \
- } while (0)
-
 /*
  * Manipulation of page state flags
  */
@@ -254,7 +122,14 @@ extern void __mod_page_state_offset(unsigned long offset, unsigned long delta);
 #define TestClearPageReferenced(page) test_and_clear_bit(PG_referenced, &(page)->flags)
 
 #define PageUptodate(page)	test_bit(PG_uptodate, &(page)->flags)
-#ifndef SetPageUptodate
+#ifdef CONFIG_S390
+#define SetPageUptodate(_page) \
+	do {								      \
+		struct page *__page = (_page);				      \
+		if (!test_and_set_bit(PG_uptodate, &__page->flags))	      \
+			page_test_and_clear_dirty(_page);		      \
+	} while (0)
+#else
 #define SetPageUptodate(page)	set_bit(PG_uptodate, &(page)->flags)
 #endif
 #define ClearPageUptodate(page)	clear_bit(PG_uptodate, &(page)->flags)

diff --git a/trunk/include/linux/vmstat.h b/trunk/include/linux/vmstat.h
@@ -0,0 +1,138 @@
+#ifndef _LINUX_VMSTAT_H
+#define _LINUX_VMSTAT_H
+
+#include <linux/types.h>
+#include <linux/percpu.h>
+
+/*
+ * Global page accounting.  One instance per CPU.  Only unsigned longs are
+ * allowed.
+ *
+ * - Fields can be modified with xxx_page_state and xxx_page_state_zone at
+ * any time safely (which protects the instance from modification by
+ * interrupt.
+ * - The __xxx_page_state variants can be used safely when interrupts are
+ * disabled.
+ * - The __xxx_page_state variants can be used if the field is only
+ * modified from process context and protected from preemption, or only
+ * modified from interrupt context.  In this case, the field should be
+ * commented here.
+ */
+struct page_state {
+	unsigned long nr_dirty;		/* Dirty writeable pages */
+	unsigned long nr_writeback;	/* Pages under writeback */
+	unsigned long nr_unstable;	/* NFS unstable pages */
+	unsigned long nr_page_table_pages;/* Pages used for pagetables */
+	unsigned long nr_mapped;	/* mapped into pagetables.
+					 * only modified from process context */
+	unsigned long nr_slab;		/* In slab */
+#define GET_PAGE_STATE_LAST nr_slab
+
+	/*
+	 * The below are zeroed by get_page_state().  Use get_full_page_state()
+	 * to add up all these.
+	 */
+	unsigned long pgpgin;		/* Disk reads */
+	unsigned long pgpgout;		/* Disk writes */
+	unsigned long pswpin;		/* swap reads */
+	unsigned long pswpout;		/* swap writes */
+
+	unsigned long pgalloc_high;	/* page allocations */
+	unsigned long pgalloc_normal;
+	unsigned long pgalloc_dma32;
+	unsigned long pgalloc_dma;
+
+	unsigned long pgfree;		/* page freeings */
+	unsigned long pgactivate;	/* pages moved inactive->active */
+	unsigned long pgdeactivate;	/* pages moved active->inactive */
+
+	unsigned long pgfault;		/* faults (major+minor) */
+	unsigned long pgmajfault;	/* faults (major only) */
+
+	unsigned long pgrefill_high;	/* inspected in refill_inactive_zone */
+	unsigned long pgrefill_normal;
+	unsigned long pgrefill_dma32;
+	unsigned long pgrefill_dma;
+
+	unsigned long pgsteal_high;	/* total highmem pages reclaimed */
+	unsigned long pgsteal_normal;
+	unsigned long pgsteal_dma32;
+	unsigned long pgsteal_dma;
+
+	unsigned long pgscan_kswapd_high;/* total highmem pages scanned */
+	unsigned long pgscan_kswapd_normal;
+	unsigned long pgscan_kswapd_dma32;
+	unsigned long pgscan_kswapd_dma;
+
+	unsigned long pgscan_direct_high;/* total highmem pages scanned */
+	unsigned long pgscan_direct_normal;
+	unsigned long pgscan_direct_dma32;
+	unsigned long pgscan_direct_dma;
+
+	unsigned long pginodesteal;	/* pages reclaimed via inode freeing */
+	unsigned long slabs_scanned;	/* slab objects scanned */
+	unsigned long kswapd_steal;	/* pages reclaimed by kswapd */
+	unsigned long kswapd_inodesteal;/* reclaimed via kswapd inode freeing */
+	unsigned long pageoutrun;	/* kswapd's calls to page reclaim */
+	unsigned long allocstall;	/* direct reclaim calls */
+
+	unsigned long pgrotated;	/* pages rotated to tail of the LRU */
+	unsigned long nr_bounce;	/* pages for bounce buffers */
+};
+
+extern void get_page_state(struct page_state *ret);
+extern void get_page_state_node(struct page_state *ret, int node);
+extern void get_full_page_state(struct page_state *ret);
+extern unsigned long read_page_state_offset(unsigned long offset);
+extern void mod_page_state_offset(unsigned long offset, unsigned long delta);
+extern void __mod_page_state_offset(unsigned long offset, unsigned long delta);
+
+#define read_page_state(member) \
+	read_page_state_offset(offsetof(struct page_state, member))
+
+#define mod_page_state(member, delta)	\
+	mod_page_state_offset(offsetof(struct page_state, member), (delta))
+
+#define __mod_page_state(member, delta)	\
+	__mod_page_state_offset(offsetof(struct page_state, member), (delta))
+
+#define inc_page_state(member)		mod_page_state(member, 1UL)
+#define dec_page_state(member)		mod_page_state(member, 0UL - 1)
+#define add_page_state(member,delta)	mod_page_state(member, (delta))
+#define sub_page_state(member,delta)	mod_page_state(member, 0UL - (delta))
+
+#define __inc_page_state(member)	__mod_page_state(member, 1UL)
+#define __dec_page_state(member)	__mod_page_state(member, 0UL - 1)
+#define __add_page_state(member,delta)	__mod_page_state(member, (delta))
+#define __sub_page_state(member,delta)	__mod_page_state(member, 0UL - (delta))
+
+#define page_state(member) (*__page_state(offsetof(struct page_state, member)))
+
+#define state_zone_offset(zone, member)					\
+({									\
+	unsigned offset;						\
+	if (is_highmem(zone))						\
+		offset = offsetof(struct page_state, member##_high);	\
+	else if (is_normal(zone))					\
+		offset = offsetof(struct page_state, member##_normal);	\
+	else if (is_dma32(zone))					\
+		offset = offsetof(struct page_state, member##_dma32);	\
+	else								\
+		offset = offsetof(struct page_state, member##_dma);	\
+	offset;								\
+})
+
+#define __mod_page_state_zone(zone, member, delta)			\
+ do {									\
+	__mod_page_state_offset(state_zone_offset(zone, member), (delta)); \
+ } while (0)
+
+#define mod_page_state_zone(zone, member, delta)			\
+ do {									\
+	mod_page_state_offset(state_zone_offset(zone, member), (delta)); \
+ } while (0)
+
+DECLARE_PER_CPU(struct page_state, page_states);
+
+#endif /* _LINUX_VMSTAT_H */
+
diff --git a/trunk/mm/Makefile b/trunk/mm/Makefile
@@ -10,7 +10,7 @@ mmu-$(CONFIG_MMU)	:= fremap.o highmem.o madvise.o memory.o mincore.o \
 obj-y			:= bootmem.o filemap.o mempool.o oom_kill.o fadvise.o \
 			   page_alloc.o page-writeback.o pdflush.o \
 			   readahead.o swap.o truncate.o vmscan.o \
-			   prio_tree.o util.o mmzone.o $(mmu-y)
+			   prio_tree.o util.o mmzone.o vmstat.o $(mmu-y)
 
 obj-$(CONFIG_SWAP)	+= page_io.o swap_state.o swapfile.o thrash.o
 obj-$(CONFIG_HUGETLBFS)	+= hugetlb.o