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authorLinus Torvalds <torvalds@linux-foundation.org>2021-11-06 14:08:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-11-06 14:08:17 -0700
commit512b7931ad0561ffe14265f9ff554a3c081b476b (patch)
treea94450d08468e094d2d92a495de4650faab09c1f /mm/internal.h
parentfe91c4725aeed35023ba4f7a1e1adfebb6878c23 (diff)
parent658f9ae761b5965893727dd4edcdad56e5a439bb (diff)
downloadlinux-512b7931ad0561ffe14265f9ff554a3c081b476b.tar.bz2
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton: "257 patches. Subsystems affected by this patch series: scripts, ocfs2, vfs, and mm (slab-generic, slab, slub, kconfig, dax, kasan, debug, pagecache, gup, swap, memcg, pagemap, mprotect, mremap, iomap, tracing, vmalloc, pagealloc, memory-failure, hugetlb, userfaultfd, vmscan, tools, memblock, oom-kill, hugetlbfs, migration, thp, readahead, nommu, ksm, vmstat, madvise, memory-hotplug, rmap, zsmalloc, highmem, zram, cleanups, kfence, and damon)" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (257 commits) mm/damon: remove return value from before_terminate callback mm/damon: fix a few spelling mistakes in comments and a pr_debug message mm/damon: simplify stop mechanism Docs/admin-guide/mm/pagemap: wordsmith page flags descriptions Docs/admin-guide/mm/damon/start: simplify the content Docs/admin-guide/mm/damon/start: fix a wrong link Docs/admin-guide/mm/damon/start: fix wrong example commands mm/damon/dbgfs: add adaptive_targets list check before enable monitor_on mm/damon: remove unnecessary variable initialization Documentation/admin-guide/mm/damon: add a document for DAMON_RECLAIM mm/damon: introduce DAMON-based Reclamation (DAMON_RECLAIM) selftests/damon: support watermarks mm/damon/dbgfs: support watermarks mm/damon/schemes: activate schemes based on a watermarks mechanism tools/selftests/damon: update for regions prioritization of schemes mm/damon/dbgfs: support prioritization weights mm/damon/vaddr,paddr: support pageout prioritization mm/damon/schemes: prioritize regions within the quotas mm/damon/selftests: support schemes quotas mm/damon/dbgfs: support quotas of schemes ...
Diffstat (limited to 'mm/internal.h')
-rw-r--r--mm/internal.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h
index b1001ebeb286..3b79a5c9427a 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -41,12 +41,33 @@ static inline void *folio_raw_mapping(struct folio *folio)
return (void *)(mapping & ~PAGE_MAPPING_FLAGS);
}
+void __acct_reclaim_writeback(pg_data_t *pgdat, struct folio *folio,
+ int nr_throttled);
+static inline void acct_reclaim_writeback(struct folio *folio)
+{
+ pg_data_t *pgdat = folio_pgdat(folio);
+ int nr_throttled = atomic_read(&pgdat->nr_writeback_throttled);
+
+ if (nr_throttled)
+ __acct_reclaim_writeback(pgdat, folio, nr_throttled);
+}
+
+static inline void wake_throttle_isolated(pg_data_t *pgdat)
+{
+ wait_queue_head_t *wqh;
+
+ wqh = &pgdat->reclaim_wait[VMSCAN_THROTTLE_ISOLATED];
+ if (waitqueue_active(wqh))
+ wake_up(wqh);
+}
+
vm_fault_t do_swap_page(struct vm_fault *vmf);
void folio_rotate_reclaimable(struct folio *folio);
bool __folio_end_writeback(struct folio *folio);
void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
unsigned long floor, unsigned long ceiling);
+void pmd_install(struct mm_struct *mm, pmd_t *pmd, pgtable_t *pte);
static inline bool can_madv_lru_vma(struct vm_area_struct *vma)
{
@@ -129,6 +150,7 @@ extern unsigned long highest_memmap_pfn;
*/
extern int isolate_lru_page(struct page *page);
extern void putback_lru_page(struct page *page);
+extern void reclaim_throttle(pg_data_t *pgdat, enum vmscan_throttle_state reason);
/*
* in mm/rmap.c: