linux-kernel - [PATCH v1 0/6] mm/page_alloc: gfp flags cleanups for alloc_contig

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Message-ID: <20241202125812.561028-1-david@redhat.com>
Date: Mon,  2 Dec 2024 13:58:06 +0100
From: David Hildenbrand <david@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org,
	linuxppc-dev@...ts.ozlabs.org,
	David Hildenbrand <david@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Oscar Salvador <osalvador@...e.de>,
	Zi Yan <ziy@...dia.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Naveen N Rao <naveen@...nel.org>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>
Subject: [PATCH v1 0/6] mm/page_alloc: gfp flags cleanups for alloc_contig_*()

Let's clean up the gfp flags handling, and support __GFP_ZERO, such that we
can finally remove the TODO in memtrace code.

I did some alloc_contig_*() testing with virtio-mem and hugetlb; I did not
test powernv/memtrace -- I cross-compiled it, though.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Oscar Salvador <osalvador@...e.de>
Cc: Zi Yan <ziy@...dia.com>
Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Nicholas Piggin <npiggin@...il.com>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>
Cc: Naveen N Rao <naveen@...nel.org>
Cc: Madhavan Srinivasan <maddy@...ux.ibm.com>

David Hildenbrand (6):
  mm/page_isolation: don't pass gfp flags to isolate_single_pageblock()
  mm/page_isolation: don't pass gfp flags to start_isolate_page_range()
  mm/page_alloc: make __alloc_contig_migrate_range() static
  mm/page_alloc: sort out the alloc_contig_range() gfp flags mess
  mm/page_alloc: forward the gfp flags from alloc_contig_range() to
    post_alloc_hook()
  powernv/memtrace: use __GFP_ZERO with alloc_contig_pages()

 arch/powerpc/platforms/powernv/memtrace.c | 31 +++---------
 include/linux/page-isolation.h            |  2 +-
 mm/internal.h                             |  4 --
 mm/memory_hotplug.c                       |  3 +-
 mm/page_alloc.c                           | 62 +++++++++++++++++++----
 mm/page_isolation.c                       | 12 ++---
 6 files changed, 63 insertions(+), 51 deletions(-)

-- 
2.47.1