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Merge branch 'linus' into locking/core, to fix up conflicts

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Conflicts:
	mm/page_alloc.c

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2017-09-04 11:01:18 +02:00
parent d82fed7529 81a84ad3cb
commit edc2988c54
1536 changed files with 48718 additions and 53809 deletions
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29
mm/page_alloc.c
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@@ -67,6 +67,7 @@
#include <linux/memcontrol.h>
#include <linux/ftrace.h>
#include <linux/lockdep.h>
#include <linux/nmi.h>
#include <asm/sections.h>
#include <asm/tlbflush.h>
@@ -2536,9 +2537,14 @@ void drain_all_pages(struct zone *zone)
#ifdef CONFIG_HIBERNATION
/*
* Touch the watchdog for every WD_PAGE_COUNT pages.
*/
#define WD_PAGE_COUNT (128*1024)
void mark_free_pages(struct zone *zone)
{
unsigned long pfn, max_zone_pfn;
unsigned long pfn, max_zone_pfn, page_count = WD_PAGE_COUNT;
unsigned long flags;
unsigned int order, t;
struct page *page;
@@ -2553,6 +2559,11 @@ void mark_free_pages(struct zone *zone)
if (pfn_valid(pfn)) {
page = pfn_to_page(pfn);
if (!--page_count) {
touch_nmi_watchdog();
page_count = WD_PAGE_COUNT;
}
if (page_zone(page) != zone)
continue;
@@ -2566,8 +2577,13 @@ void mark_free_pages(struct zone *zone)
unsigned long i;
pfn = page_to_pfn(page);
for (i = 0; i < (1UL << order); i++)
for (i = 0; i < (1UL << order); i++) {
if (!--page_count) {
touch_nmi_watchdog();
page_count = WD_PAGE_COUNT;
}
swsusp_set_page_free(pfn_to_page(pfn + i));
}
}
}
spin_unlock_irqrestore(&zone->lock, flags);
@@ -3276,10 +3292,13 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
/*
* Go through the zonelist yet one more time, keep very high watermark
* here, this is only to catch a parallel oom killing, we must fail if
* we're still under heavy pressure.
* we're still under heavy pressure. But make sure that this reclaim
* attempt shall not depend on __GFP_DIRECT_RECLAIM && !__GFP_NORETRY
* allocation which will never fail due to oom_lock already held.
*/
page = get_page_from_freelist(gfp_mask | __GFP_HARDWALL, order,
ALLOC_WMARK_HIGH|ALLOC_CPUSET, ac);
page = get_page_from_freelist((gfp_mask | __GFP_HARDWALL) &
~__GFP_DIRECT_RECLAIM, order,
ALLOC_WMARK_HIGH|ALLOC_CPUSET, ac);
if (page)
goto out;