[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>
This commit is contained in:
Nick Piggin
Linus Torvalds
parent
7756b9e4e3
commit
9328b8faae
3 changed files with 46 additions and 17 deletions
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@ -397,6 +397,7 @@ static inline int is_normal_idx(int idx)
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{
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return (idx == ZONE_NORMAL);
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}
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/**
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* is_highmem - helper function to quickly check if a struct zone is a
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* highmem zone or not. This is an attempt to keep references
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@ -413,6 +414,16 @@ static inline int is_normal(struct zone *zone)
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return zone == zone->zone_pgdat->node_zones + ZONE_NORMAL;
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}
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static inline int is_dma32(struct zone *zone)
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{
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return zone == zone->zone_pgdat->node_zones + ZONE_DMA32;
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}
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static inline int is_dma(struct zone *zone)
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{
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return zone == zone->zone_pgdat->node_zones + ZONE_DMA;
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}
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/* These two functions are used to setup the per zone pages min values */
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struct ctl_table;
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struct file;
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@ -97,32 +97,40 @@ struct page_state {
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unsigned long pgpgout; /* Disk writes */
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unsigned long pswpin; /* swap reads */
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unsigned long pswpout; /* swap writes */
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unsigned long pgalloc_high; /* page allocations */
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unsigned long pgalloc_high; /* page allocations */
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unsigned long pgalloc_normal;
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unsigned long pgalloc_dma32;
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unsigned long pgalloc_dma;
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unsigned long pgfree; /* page freeings */
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unsigned long pgactivate; /* pages moved inactive->active */
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unsigned long pgdeactivate; /* pages moved active->inactive */
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unsigned long pgfault; /* faults (major+minor) */
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unsigned long pgmajfault; /* faults (major only) */
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unsigned long pgrefill_high; /* inspected in refill_inactive_zone */
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unsigned long pgrefill_normal;
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unsigned long pgrefill_dma32;
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unsigned long pgrefill_dma;
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unsigned long pgsteal_high; /* total highmem pages reclaimed */
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unsigned long pgsteal_normal;
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unsigned long pgsteal_dma32;
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unsigned long pgsteal_dma;
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unsigned long pgscan_kswapd_high;/* total highmem pages scanned */
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unsigned long pgscan_kswapd_normal;
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unsigned long pgscan_kswapd_dma32;
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unsigned long pgscan_kswapd_dma;
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unsigned long pgscan_direct_high;/* total highmem pages scanned */
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unsigned long pgscan_direct_normal;
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unsigned long pgscan_direct_dma32;
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unsigned long pgscan_direct_dma;
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unsigned long pginodesteal; /* pages reclaimed via inode freeing */
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unsigned long pginodesteal; /* pages reclaimed via inode freeing */
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unsigned long slabs_scanned; /* slab objects scanned */
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unsigned long kswapd_steal; /* pages reclaimed by kswapd */
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unsigned long kswapd_inodesteal;/* reclaimed via kswapd inode freeing */
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@ -150,17 +158,19 @@ extern void __mod_page_state(unsigned long offset, unsigned long delta);
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#define add_page_state(member,delta) mod_page_state(member, (delta))
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#define sub_page_state(member,delta) mod_page_state(member, 0UL - (delta))
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#define mod_page_state_zone(zone, member, delta) \
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do { \
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unsigned offset; \
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if (is_highmem(zone)) \
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offset = offsetof(struct page_state, member##_high); \
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else if (is_normal(zone)) \
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offset = offsetof(struct page_state, member##_normal); \
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else \
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offset = offsetof(struct page_state, member##_dma); \
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__mod_page_state(offset, (delta)); \
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} while (0)
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#define mod_page_state_zone(zone, member, delta) \
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do { \
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unsigned offset; \
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if (is_highmem(zone)) \
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offset = offsetof(struct page_state, member##_high); \
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else if (is_normal(zone)) \
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offset = offsetof(struct page_state, member##_normal); \
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else if (is_dma32(zone)) \
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offset = offsetof(struct page_state, member##_dma32); \
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else \
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offset = offsetof(struct page_state, member##_dma); \
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__mod_page_state(offset, (delta)); \
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} while (0)
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/*
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* Manipulation of page state flags
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@ -2277,32 +2277,40 @@ static char *vmstat_text[] = {
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"pgpgout",
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"pswpin",
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"pswpout",
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"pgalloc_high",
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"pgalloc_high",
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"pgalloc_normal",
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"pgalloc_dma32",
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"pgalloc_dma",
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"pgfree",
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"pgactivate",
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"pgdeactivate",
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"pgfault",
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"pgmajfault",
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"pgrefill_high",
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"pgrefill_normal",
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"pgrefill_dma32",
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"pgrefill_dma",
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"pgsteal_high",
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"pgsteal_normal",
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"pgsteal_dma32",
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"pgsteal_dma",
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"pgscan_kswapd_high",
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"pgscan_kswapd_normal",
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"pgscan_kswapd_dma32",
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"pgscan_kswapd_dma",
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"pgscan_direct_high",
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"pgscan_direct_normal",
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"pgscan_direct_dma32",
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"pgscan_direct_dma",
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"pginodesteal",
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"pginodesteal",
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"slabs_scanned",
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"kswapd_steal",
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"kswapd_inodesteal",
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