The patch titled
Subject: mm/Kconfig: correct description of DEFERRED_STRUCT_PAGE_INIT
has been removed from the -mm tree. Its filename was
mm-kconfig-correct-description-of-deferred_struct_page_init.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Vlastimil Babka <vbabka@xxxxxxx>
Subject: mm/Kconfig: correct description of DEFERRED_STRUCT_PAGE_INIT
The description mentions kswapd threads, while the deferred struct page
initialization is actually done by one-off "pgdatinitX" threads. Fix the
description so that potentially users are not confused about pgdatinit
threads using CPU after boot instead of kswapd.
Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx>
Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/Kconfig | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff -puN mm/Kconfig~mm-kconfig-correct-description-of-deferred_struct_page_init mm/Kconfig
--- a/mm/Kconfig~mm-kconfig-correct-description-of-deferred_struct_page_init
+++ a/mm/Kconfig
@@ -624,7 +624,7 @@ config ARCH_SUPPORTS_DEFERRED_STRUCT_PAG
bool
config DEFERRED_STRUCT_PAGE_INIT
- bool "Defer initialisation of struct pages to kswapd"
+ bool "Defer initialisation of struct pages to kthreads"
default n
depends on ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT
depends on MEMORY_HOTPLUG
@@ -633,9 +633,10 @@ config DEFERRED_STRUCT_PAGE_INIT
single thread. On very large machines this can take a considerable
amount of time. If this option is set, large machines will bring up
a subset of memmap at boot and then initialise the rest in parallel
- when kswapd starts. This has a potential performance impact on
- processes running early in the lifetime of the systemm until kswapd
- finishes the initialisation.
+ by starting one-off "pgdatinitX" kernel thread for each node X. This
+ has a potential performance impact on processes running early in the
+ lifetime of the system until these kthreads finish the
+ initialisation.
config IDLE_PAGE_TRACKING
bool "Enable idle page tracking"
_
Patches currently in -mm which might be from vbabka@xxxxxxx are
tracepoints-move-trace_print_flags-definitions-to-tracepoint-defsh.patch
mm-tracing-make-show_gfp_flags-up-to-date.patch
tools-perf-make-gfp_compact_table-up-to-date.patch
mm-tracing-unify-mm-flags-handling-in-tracepoints-and-printk.patch
mm-printk-introduce-new-format-string-for-flags.patch
mm-printk-introduce-new-format-string-for-flags-fix.patch
mm-debug-replace-dump_flags-with-the-new-printk-formats.patch
mm-page_alloc-print-symbolic-gfp_flags-on-allocation-failure.patch
mm-oom-print-symbolic-gfp_flags-in-oom-warning.patch
mm-page_owner-print-migratetype-of-page-and-pageblock-symbolic-flags.patch
mm-page_owner-convert-page_owner_inited-to-static-key.patch
mm-page_owner-copy-page-owner-info-during-migration.patch
mm-page_owner-track-and-print-last-migrate-reason.patch
mm-page_owner-dump-page-owner-info-from-dump_page.patch
mm-debug-move-bad-flags-printing-to-bad_page.patch
mm-kswapd-remove-bogus-check-of-balance_classzone_idx.patch
mm-compaction-introduce-kcompactd.patch
mm-memory-hotplug-small-cleanup-in-online_pages.patch
mm-kswapd-replace-kswapd-compaction-with-waking-up-kcompactd.patch
mm-compaction-adapt-isolation_suitable-flushing-to-kcompactd.patch
mm-use-radix_tree_iter_retry-fix.patch
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