the
number of pages to flush.
Signed-off-by: Matthew Wilcox (Oracle)
Acked-by: Mike Rapoport (IBM)
Cc: Vineet Gupta
Cc: linux-snps-arc@lists.infradead.org
---
arch/arc/include/asm/cacheflush.h | 7 ++-
arch/arc/include/asm/pgtable-bits-arcv2.h | 12 ++---
arch/arc/include/asm/pgtable
the
number of pages to flush.
Signed-off-by: Matthew Wilcox (Oracle)
Acked-by: Mike Rapoport (IBM)
Cc: Vineet Gupta
Cc: linux-snps-arc@lists.infradead.org
---
arch/arc/include/asm/cacheflush.h | 7 ++-
arch/arc/include/asm/pgtable-bits-arcv2.h | 12 ++---
arch/arc/include/asm/pgtable
the
number of pages to flush.
Signed-off-by: Matthew Wilcox (Oracle)
Cc: Vineet Gupta
Cc: linux-snps-arc@lists.infradead.org
---
arch/arc/include/asm/cacheflush.h | 7 ++-
arch/arc/include/asm/pgtable-bits-arcv2.h | 11 ++--
arch/arc/include/asm/pgtable-levels.h | 1 +
arch/arc/mm
the
number of pages to flush.
Signed-off-by: Matthew Wilcox (Oracle)
Cc: Vineet Gupta
Cc: linux-snps-arc@lists.infradead.org
---
arch/arc/include/asm/cacheflush.h | 7 ++-
arch/arc/include/asm/pgtable-bits-arcv2.h | 20 ++--
arch/arc/mm/cache.c | 61
the
number of pages to flush.
Signed-off-by: Matthew Wilcox (Oracle)
Cc: Vineet Gupta
Cc: linux-snps-arc@lists.infradead.org
---
arch/arc/include/asm/cacheflush.h | 7 +-
arch/arc/include/asm/pgtable-bits-arcv2.h | 20 +++--
arch/arc/mm/cache.c | 61
loc().
Since page_pool doesn't want to set its magic value on pages which are
pfmemalloc, we can use bit 1 of compound_head to indicate that the page
came from the memory reserves.
Signed-off-by: Matthew Wilcox (Oracle)
---
include/linux/mm.h | 12 +++-
include/linux/mm_types.h |
get_user_pages_fast()
could dereference a bogus compound_head().
Fixes: c25fff7171be ("mm: add dma_addr_t to struct page")
Signed-off-by: Matthew Wilcox (Oracle)
---
include/linux/mm_types.h | 4 ++--
include/net/page_pool.h | 12 +++-
net/core/page_pool.c | 12 +++
functionality. It is much less urgent.
I'd really like to see Mel & Michal's thoughts on it.
I have only compile-tested these patches.
Matthew Wilcox (Oracle) (2):
mm: Fix struct page layout on 32-bit systems
mm: Indicate pfmemalloc pages in compound_head
include/linux/mm.h
