The patch titled
Subject: mm: initialize pages on demand during boot
has been added to the -mm tree. Its filename is
mm-initialize-pages-on-demand-during-boot-v6.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-initialize-pages-on-demand-during-boot-v6.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-initialize-pages-on-demand-during-boot-v6.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Subject: mm: initialize pages on demand during boot
Remove useless pgdata_resize_lock_irq(), as regular pgdata_resize_lock()
does exactly what is needed.
Link: http://lkml.kernel.org/r/20180313182355.17669-3-pasha.tatashin@xxxxxxxxxx
Signed-off-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff -puN mm/page_alloc.c~mm-initialize-pages-on-demand-during-boot-v6 mm/page_alloc.c
--- a/mm/page_alloc.c~mm-initialize-pages-on-demand-during-boot-v6
+++ a/mm/page_alloc.c
@@ -1613,16 +1613,16 @@ deferred_grow_zone(struct zone *zone, un
if (zone_end_pfn(zone) != pgdat_end_pfn(pgdat))
return false;
- pgdat_resize_lock_irq(pgdat, &flags);
+ pgdat_resize_lock(pgdat, &flags);
/*
* If deferred pages have been initialized while we were waiting for
- * the lock, return true, as the zone was grown. The caller will retry
+ * the lock, return true, as the zone was grown. The caller will retry
* this zone. We won't return to this function since the caller also
* has this static branch.
*/
if (!static_branch_unlikely(&deferred_pages)) {
- pgdat_resize_unlock_irq(pgdat, &flags);
+ pgdat_resize_unlock(pgdat, &flags);
return true;
}
@@ -1631,14 +1631,14 @@ deferred_grow_zone(struct zone *zone, un
* true, as there might be enough pages already.
*/
if (first_deferred_pfn != pgdat->first_deferred_pfn) {
- pgdat_resize_unlock_irq(pgdat, &flags);
+ pgdat_resize_unlock(pgdat, &flags);
return true;
}
first_init_pfn = max(zone->zone_start_pfn, first_deferred_pfn);
if (first_init_pfn >= pgdat_end_pfn(pgdat)) {
- pgdat_resize_unlock_irq(pgdat, &flags);
+ pgdat_resize_unlock(pgdat, &flags);
return false;
}
@@ -1667,7 +1667,7 @@ deferred_grow_zone(struct zone *zone, un
break;
}
pgdat->first_deferred_pfn = first_deferred_pfn;
- pgdat_resize_unlock_irq(pgdat, &flags);
+ pgdat_resize_unlock(pgdat, &flags);
return nr_pages > 0;
}
_
Patches currently in -mm which might be from pasha.tatashin@xxxxxxxxxx are
mm-disable-interrupts-while-initializing-deferred-pages.patch
mm-disable-interrupts-while-initializing-deferred-pages-v6.patch
mm-initialize-pages-on-demand-during-boot.patch
mm-initialize-pages-on-demand-during-boot-fix-3.patch
mm-initialize-pages-on-demand-during-boot-fix-4.patch
mm-initialize-pages-on-demand-during-boot-v5.patch
mm-initialize-pages-on-demand-during-boot-v6.patch
mm-memory_hotplug-enforce-block-size-aligned-range-check.patch
x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory.patch
x86-mm-memory_hotplug-determine-block-size-based-on-the-end-of-boot-memory-v4.patch
mm-uninitialized-struct-page-poisoning-sanity-checking.patch
mm-uninitialized-struct-page-poisoning-sanity-checking-v4.patch
mm-memory_hotplug-optimize-probe-routine.patch
mm-memory_hotplug-dont-read-nid-from-struct-page-during-hotplug.patch
mm-memory_hotplug-dont-read-nid-from-struct-page-during-hotplug-v5.patch
mm-memory_hotplug-optimize-memory-hotplug.patch
mm-memory_hotplug-optimize-memory-hotplug-v5.patch
xen-mm-allow-deferred-page-initialization-for-xen-pv-domains.patch
sparc64-ng4-memset-32-bits-overflow.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
