The patch titled
Subject: mm-uninitialized-struct-page-poisoning-sanity-checking-v4
has been removed from the -mm tree. Its filename was
mm-uninitialized-struct-page-poisoning-sanity-checking-v4.patch
This patch was dropped because it was folded into mm-uninitialized-struct-page-poisoning-sanity-checking.patch
------------------------------------------------------
From: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Subject: mm-uninitialized-struct-page-poisoning-sanity-checking-v4
Addressed comments from Ingo Molnar and from Michal Hocko
Splitted 4th patch into three patches
Instead of using section table to save node ids, saving node id in
the first page of every section.
Link: http://lkml.kernel.org/r/20180215165920.8570-4-pasha.tatashin@xxxxxxxxxx
Signed-off-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Reviewed-by: Ingo Molnar <mingo@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/page-flags.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff -puN include/linux/page-flags.h~mm-uninitialized-struct-page-poisoning-sanity-checking-v4 include/linux/page-flags.h
--- a/include/linux/page-flags.h~mm-uninitialized-struct-page-poisoning-sanity-checking-v4
+++ a/include/linux/page-flags.h
@@ -156,7 +156,7 @@ static __always_inline int PageCompound(
return test_bit(PG_head, &page->flags) || PageTail(page);
}
-#define PAGE_POISON_PATTERN ~0ul
+#define PAGE_POISON_PATTERN -1l
static inline int PagePoisoned(const struct page *page)
{
return page->flags == PAGE_POISON_PATTERN;
@@ -187,18 +187,18 @@ static inline int PagePoisoned(const str
*/
#define PF_POISONED_CHECK(page) ({ \
VM_BUG_ON_PGFLAGS(PagePoisoned(page), page); \
- page;})
+ page; })
#define PF_ANY(page, enforce) PF_POISONED_CHECK(page)
#define PF_HEAD(page, enforce) PF_POISONED_CHECK(compound_head(page))
#define PF_ONLY_HEAD(page, enforce) ({ \
VM_BUG_ON_PGFLAGS(PageTail(page), page); \
- PF_POISONED_CHECK(page);})
+ PF_POISONED_CHECK(page); })
#define PF_NO_TAIL(page, enforce) ({ \
VM_BUG_ON_PGFLAGS(enforce && PageTail(page), page); \
- PF_POISONED_CHECK(compound_head(page));})
+ PF_POISONED_CHECK(compound_head(page)); })
#define PF_NO_COMPOUND(page, enforce) ({ \
VM_BUG_ON_PGFLAGS(enforce && PageCompound(page), page); \
- PF_POISONED_CHECK(page);})
+ PF_POISONED_CHECK(page); })
/*
* Macros to create function definitions for page flags
_
Patches currently in -mm which might be from pasha.tatashin@xxxxxxxxxx are
mm-disable-interrupts-while-initializing-deferred-pages.patch
mm-initialize-pages-on-demand-during-boot.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
mm-uninitialized-struct-page-poisoning-sanity-checking.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
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