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author | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 10:26:10 +0300 |
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committer | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 10:26:10 +0300 |
commit | d121f07691415df824e6b60520f782f6d13b3c81 (patch) | |
tree | 422ad3cc6fd631604fef4e469e49bacba8202e52 /mm/page_alloc.c | |
parent | 59858d3d54cfad1f8db67c2c07e4dd33bb6ed955 (diff) | |
parent | 569d0365f571fa6421a5c80bc30d1b2cdab857fe (diff) | |
download | linux-d121f07691415df824e6b60520f782f6d13b3c81.tar.xz |
Merge branch 'for-4.16/dax' into libnvdimm-for-next
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r-- | mm/page_alloc.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 73f5d4556b3d..1748dd4a4b1b 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2684,6 +2684,7 @@ void free_unref_page_list(struct list_head *list) { struct page *page, *next; unsigned long flags, pfn; + int batch_count = 0; /* Prepare pages for freeing */ list_for_each_entry_safe(page, next, list, lru) { @@ -2700,6 +2701,16 @@ void free_unref_page_list(struct list_head *list) set_page_private(page, 0); trace_mm_page_free_batched(page); free_unref_page_commit(page, pfn); + + /* + * Guard against excessive IRQ disabled times when we get + * a large list of pages to free. + */ + if (++batch_count == SWAP_CLUSTER_MAX) { + local_irq_restore(flags); + batch_count = 0; + local_irq_save(flags); + } } local_irq_restore(flags); } @@ -5303,9 +5314,9 @@ void __ref build_all_zonelists(pg_data_t *pgdat) * done. Non-atomic initialization, single-pass. */ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, - unsigned long start_pfn, enum memmap_context context) + unsigned long start_pfn, enum memmap_context context, + struct vmem_altmap *altmap) { - struct vmem_altmap *altmap = to_vmem_altmap(__pfn_to_phys(start_pfn)); unsigned long end_pfn = start_pfn + size; pg_data_t *pgdat = NODE_DATA(nid); unsigned long pfn; @@ -5406,7 +5417,7 @@ static void __meminit zone_init_free_lists(struct zone *zone) #ifndef __HAVE_ARCH_MEMMAP_INIT #define memmap_init(size, nid, zone, start_pfn) \ - memmap_init_zone((size), (nid), (zone), (start_pfn), MEMMAP_EARLY) + memmap_init_zone((size), (nid), (zone), (start_pfn), MEMMAP_EARLY, NULL) #endif static int zone_batchsize(struct zone *zone) |