diff options
| author | Nick Piggin <nickpiggin@yahoo.com.au> | 2006-01-06 00:11:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 08:33:26 -0800 |
| commit | 9328b8faae922e52073785ed6c1eaa8565648a0e (patch) | |
| tree | 065034bc534a4997197d26acf1774725159e4e65 /include | |
| parent | 7756b9e4e321c3c83c7aa5b9532d3e7fd7ddeb4a (diff) | |
[PATCH] mm: dma32 zone statistics
Add dma32 to zone statistics. Also attempt to arrange struct page_state a
bit better (visually).
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmzone.h | 11 | ||||
| -rw-r--r-- | include/linux/page-flags.h | 38 |
2 files changed, 35 insertions, 14 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 0d1a5981bb9..8d6caa414c4 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -397,6 +397,7 @@ static inline int is_normal_idx(int idx) { return (idx == ZONE_NORMAL); } + /** * is_highmem - helper function to quickly check if a struct zone is a * highmem zone or not. This is an attempt to keep references @@ -413,6 +414,16 @@ static inline int is_normal(struct zone *zone) return zone == zone->zone_pgdat->node_zones + ZONE_NORMAL; } +static inline int is_dma32(struct zone *zone) +{ + return zone == zone->zone_pgdat->node_zones + ZONE_DMA32; +} + +static inline int is_dma(struct zone *zone) +{ + return zone == zone->zone_pgdat->node_zones + ZONE_DMA; +} + /* These two functions are used to setup the per zone pages min values */ struct ctl_table; struct file; diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 343083fec25..32d09c8d952 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -97,32 +97,40 @@ struct page_state { unsigned long pgpgout; /* Disk writes */ unsigned long pswpin; /* swap reads */ unsigned long pswpout; /* swap writes */ - unsigned long pgalloc_high; /* page allocations */ + 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 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 */ @@ -150,17 +158,19 @@ extern void __mod_page_state(unsigned long offset, unsigned long delta); #define add_page_state(member,delta) mod_page_state(member, (delta)) #define sub_page_state(member,delta) mod_page_state(member, 0UL - (delta)) -#define mod_page_state_zone(zone, member, delta) \ - do { \ - 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 \ - offset = offsetof(struct page_state, member##_dma); \ - __mod_page_state(offset, (delta)); \ - } while (0) +#define mod_page_state_zone(zone, member, delta) \ + do { \ + 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); \ + __mod_page_state(offset, (delta)); \ + } while (0) /* * Manipulation of page state flags |