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-rw-r--r--mm/vmscan.c70
1 files changed, 35 insertions, 35 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8320d115c85d..7037cc8c60b6 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -53,22 +53,22 @@
#include <trace/events/vmscan.h>
/*
- * lumpy_mode determines how the inactive list is shrunk
- * LUMPY_MODE_SINGLE: Reclaim only order-0 pages
- * LUMPY_MODE_ASYNC: Do not block
- * LUMPY_MODE_SYNC: Allow blocking e.g. call wait_on_page_writeback
- * LUMPY_MODE_CONTIGRECLAIM: For high-order allocations, take a reference
+ * reclaim_mode determines how the inactive list is shrunk
+ * RECLAIM_MODE_SINGLE: Reclaim only order-0 pages
+ * RECLAIM_MODE_ASYNC: Do not block
+ * RECLAIM_MODE_SYNC: Allow blocking e.g. call wait_on_page_writeback
+ * RECLAIM_MODE_LUMPYRECLAIM: For high-order allocations, take a reference
* page from the LRU and reclaim all pages within a
* naturally aligned range
- * LUMPY_MODE_COMPACTION: For high-order allocations, reclaim a number of
+ * RECLAIM_MODE_COMPACTION: For high-order allocations, reclaim a number of
* order-0 pages and then compact the zone
*/
-typedef unsigned __bitwise__ lumpy_mode;
-#define LUMPY_MODE_SINGLE ((__force lumpy_mode)0x01u)
-#define LUMPY_MODE_ASYNC ((__force lumpy_mode)0x02u)
-#define LUMPY_MODE_SYNC ((__force lumpy_mode)0x04u)
-#define LUMPY_MODE_CONTIGRECLAIM ((__force lumpy_mode)0x08u)
-#define LUMPY_MODE_COMPACTION ((__force lumpy_mode)0x10u)
+typedef unsigned __bitwise__ reclaim_mode_t;
+#define RECLAIM_MODE_SINGLE ((__force reclaim_mode_t)0x01u)
+#define RECLAIM_MODE_ASYNC ((__force reclaim_mode_t)0x02u)
+#define RECLAIM_MODE_SYNC ((__force reclaim_mode_t)0x04u)
+#define RECLAIM_MODE_LUMPYRECLAIM ((__force reclaim_mode_t)0x08u)
+#define RECLAIM_MODE_COMPACTION ((__force reclaim_mode_t)0x10u)
struct scan_control {
/* Incremented by the number of inactive pages that were scanned */
@@ -101,7 +101,7 @@ struct scan_control {
* Intend to reclaim enough continuous memory rather than reclaim
* enough amount of memory. i.e, mode for high order allocation.
*/
- lumpy_mode lumpy_reclaim_mode;
+ reclaim_mode_t reclaim_mode;
/* Which cgroup do we reclaim from */
struct mem_cgroup *mem_cgroup;
@@ -284,10 +284,10 @@ unsigned long shrink_slab(unsigned long scanned, gfp_t gfp_mask,
return ret;
}
-static void set_lumpy_reclaim_mode(int priority, struct scan_control *sc,
+static void set_reclaim_mode(int priority, struct scan_control *sc,
bool sync)
{
- lumpy_mode syncmode = sync ? LUMPY_MODE_SYNC : LUMPY_MODE_ASYNC;
+ reclaim_mode_t syncmode = sync ? RECLAIM_MODE_SYNC : RECLAIM_MODE_ASYNC;
/*
* Initially assume we are entering either lumpy reclaim or
@@ -295,9 +295,9 @@ static void set_lumpy_reclaim_mode(int priority, struct scan_control *sc,
* sync mode or just reclaim order-0 pages later.
*/
if (COMPACTION_BUILD)
- sc->lumpy_reclaim_mode = LUMPY_MODE_COMPACTION;
+ sc->reclaim_mode = RECLAIM_MODE_COMPACTION;
else
- sc->lumpy_reclaim_mode = LUMPY_MODE_CONTIGRECLAIM;
+ sc->reclaim_mode = RECLAIM_MODE_LUMPYRECLAIM;
/*
* Avoid using lumpy reclaim or reclaim/compaction if possible by
@@ -305,16 +305,16 @@ static void set_lumpy_reclaim_mode(int priority, struct scan_control *sc,
* under memory pressure
*/
if (sc->order > PAGE_ALLOC_COSTLY_ORDER)
- sc->lumpy_reclaim_mode |= syncmode;
+ sc->reclaim_mode |= syncmode;
else if (sc->order && priority < DEF_PRIORITY - 2)
- sc->lumpy_reclaim_mode |= syncmode;
+ sc->reclaim_mode |= syncmode;
else
- sc->lumpy_reclaim_mode = LUMPY_MODE_SINGLE | LUMPY_MODE_ASYNC;
+ sc->reclaim_mode = RECLAIM_MODE_SINGLE | RECLAIM_MODE_ASYNC;
}
-static void disable_lumpy_reclaim_mode(struct scan_control *sc)
+static void reset_reclaim_mode(struct scan_control *sc)
{
- sc->lumpy_reclaim_mode = LUMPY_MODE_SINGLE | LUMPY_MODE_ASYNC;
+ sc->reclaim_mode = RECLAIM_MODE_SINGLE | RECLAIM_MODE_ASYNC;
}
static inline int is_page_cache_freeable(struct page *page)
@@ -445,7 +445,7 @@ static pageout_t pageout(struct page *page, struct address_space *mapping,
* first attempt to free a range of pages fails.
*/
if (PageWriteback(page) &&
- (sc->lumpy_reclaim_mode & LUMPY_MODE_SYNC))
+ (sc->reclaim_mode & RECLAIM_MODE_SYNC))
wait_on_page_writeback(page);
if (!PageWriteback(page)) {
@@ -453,7 +453,7 @@ static pageout_t pageout(struct page *page, struct address_space *mapping,
ClearPageReclaim(page);
}
trace_mm_vmscan_writepage(page,
- trace_reclaim_flags(page, sc->lumpy_reclaim_mode));
+ trace_reclaim_flags(page, sc->reclaim_mode));
inc_zone_page_state(page, NR_VMSCAN_WRITE);
return PAGE_SUCCESS;
}
@@ -638,7 +638,7 @@ static enum page_references page_check_references(struct page *page,
referenced_page = TestClearPageReferenced(page);
/* Lumpy reclaim - ignore references */
- if (sc->lumpy_reclaim_mode & LUMPY_MODE_CONTIGRECLAIM)
+ if (sc->reclaim_mode & RECLAIM_MODE_LUMPYRECLAIM)
return PAGEREF_RECLAIM;
/*
@@ -755,7 +755,7 @@ static unsigned long shrink_page_list(struct list_head *page_list,
* for any page for which writeback has already
* started.
*/
- if ((sc->lumpy_reclaim_mode & LUMPY_MODE_SYNC) &&
+ if ((sc->reclaim_mode & RECLAIM_MODE_SYNC) &&
may_enter_fs)
wait_on_page_writeback(page);
else {
@@ -911,7 +911,7 @@ cull_mlocked:
try_to_free_swap(page);
unlock_page(page);
putback_lru_page(page);
- disable_lumpy_reclaim_mode(sc);
+ reset_reclaim_mode(sc);
continue;
activate_locked:
@@ -924,7 +924,7 @@ activate_locked:
keep_locked:
unlock_page(page);
keep:
- disable_lumpy_reclaim_mode(sc);
+ reset_reclaim_mode(sc);
keep_lumpy:
list_add(&page->lru, &ret_pages);
VM_BUG_ON(PageLRU(page) || PageUnevictable(page));
@@ -1340,7 +1340,7 @@ static inline bool should_reclaim_stall(unsigned long nr_taken,
return false;
/* Only stall on lumpy reclaim */
- if (sc->lumpy_reclaim_mode & LUMPY_MODE_SINGLE)
+ if (sc->reclaim_mode & RECLAIM_MODE_SINGLE)
return false;
/* If we have relaimed everything on the isolated list, no stall */
@@ -1384,14 +1384,14 @@ shrink_inactive_list(unsigned long nr_to_scan, struct zone *zone,
return SWAP_CLUSTER_MAX;
}
- set_lumpy_reclaim_mode(priority, sc, false);
+ set_reclaim_mode(priority, sc, false);
lru_add_drain();
spin_lock_irq(&zone->lru_lock);
if (scanning_global_lru(sc)) {
nr_taken = isolate_pages_global(nr_to_scan,
&page_list, &nr_scanned, sc->order,
- sc->lumpy_reclaim_mode & LUMPY_MODE_CONTIGRECLAIM ?
+ sc->reclaim_mode & RECLAIM_MODE_LUMPYRECLAIM ?
ISOLATE_BOTH : ISOLATE_INACTIVE,
zone, 0, file);
zone->pages_scanned += nr_scanned;
@@ -1404,7 +1404,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct zone *zone,
} else {
nr_taken = mem_cgroup_isolate_pages(nr_to_scan,
&page_list, &nr_scanned, sc->order,
- sc->lumpy_reclaim_mode & LUMPY_MODE_CONTIGRECLAIM ?
+ sc->reclaim_mode & RECLAIM_MODE_LUMPYRECLAIM ?
ISOLATE_BOTH : ISOLATE_INACTIVE,
zone, sc->mem_cgroup,
0, file);
@@ -1427,7 +1427,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct zone *zone,
/* Check if we should syncronously wait for writeback */
if (should_reclaim_stall(nr_taken, nr_reclaimed, priority, sc)) {
- set_lumpy_reclaim_mode(priority, sc, true);
+ set_reclaim_mode(priority, sc, true);
nr_reclaimed += shrink_page_list(&page_list, zone, sc);
}
@@ -1442,7 +1442,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct zone *zone,
zone_idx(zone),
nr_scanned, nr_reclaimed,
priority,
- trace_shrink_flags(file, sc->lumpy_reclaim_mode));
+ trace_shrink_flags(file, sc->reclaim_mode));
return nr_reclaimed;
}
@@ -1836,7 +1836,7 @@ static inline bool should_continue_reclaim(struct zone *zone,
unsigned long inactive_lru_pages;
/* If not in reclaim/compaction mode, stop */
- if (!(sc->lumpy_reclaim_mode & LUMPY_MODE_COMPACTION))
+ if (!(sc->reclaim_mode & RECLAIM_MODE_COMPACTION))
return false;
/*
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 15:43:28 +0000