diff options
| author |   Alexandre Ghiti <alex@ghiti.fr> | 2019-05-13 17:19:00 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 09:47:47 -0700 |
| commit | 8df995f6bde01de96ce93373785f41c3bd13ad1c (patch) | |
| tree | 77c057bcd9f0d1eb82b731043a8cc21ce3e41c59 /mm | |
| parent | sparc: advertise gigantic page support (diff) | |
| download | linux-dev-8df995f6bde01de96ce93373785f41c3bd13ad1c.tar.xz linux-dev-8df995f6bde01de96ce93373785f41c3bd13ad1c.zip | |
mm: simplify MEMORY_ISOLATION && COMPACTION || CMA into CONTIG_ALLOC
This condition allows to define alloc_contig_range, so simplify it into a
more accurate naming.
Link: http://lkml.kernel.org/r/20190327063626.18421-4-alex@ghiti.fr
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Suggested-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Andy Lutomirsky <luto@kernel.org>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "H . Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/Kconfig | 3 | ||||
| -rw-r--r-- | mm/page_alloc.c | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 25c71eb8a7db..137eadc18732 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -258,6 +258,9 @@ config ARCH_ENABLE_HUGEPAGE_MIGRATION config ARCH_ENABLE_THP_MIGRATION bool +config CONTIG_ALLOC + def_bool (MEMORY_ISOLATION && COMPACTION) || CMA + config PHYS_ADDR_T_64BIT def_bool 64BIT diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 07a0d722d481..2efb6525d932 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -8137,8 +8137,7 @@ unmovable: return true; } -#if (defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA) - +#ifdef CONFIG_CONTIG_ALLOC static unsigned long pfn_max_align_down(unsigned long pfn) { return pfn & ~(max_t(unsigned long, MAX_ORDER_NR_PAGES, |