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linux-next: build failure after merge of the akpm tree

Message ID 20181005161406.73ef8727@canb.auug.org.au (mailing list archive)
State Not Applicable
Headers show
Series linux-next: build failure after merge of the akpm tree | expand

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Context Check Description
snowpatch_ozlabs/apply_patch success next/apply_patch Successfully applied
snowpatch_ozlabs/checkpatch fail Test checkpatch on branch next
snowpatch_ozlabs/build-ppc64le fail Test build-ppc64le on branch next
snowpatch_ozlabs/build-ppc64be fail Test build-ppc64be on branch next
snowpatch_ozlabs/build-ppc64e fail Test build-ppc64e on branch next
snowpatch_ozlabs/build-ppc32 fail Test build-ppc32 on branch next

Commit Message

Stephen Rothwell Oct. 5, 2018, 6:14 a.m. UTC
Hi Andrew,

After merging the akpm tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:

arch/powerpc/kernel/setup-common.c:36:10: fatal error: linux/bootmem.h: No such file or directory
 #include <linux/bootmem.h>
          ^~~~~~~~~~~~~~~~~

Caused by commit

  49353a51a758 ("mm: remove include/linux/bootmem.h")

interacting with commit

  d90fe2acd9b2 ("powerpc: Wire up memtest")

from the powerpc tree.

I applied the following patch for today:

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 5 Oct 2018 16:09:34 +1000
Subject: [PATCH] powerpc: fix up for removal of linux/bootmem.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
 arch/powerpc/kernel/setup-common.c | 1 -
 1 file changed, 1 deletion(-)

Comments

Michael Ellerman Oct. 5, 2018, 12:02 p.m. UTC | #1
Stephen Rothwell <sfr@canb.auug.org.au> writes:
> Hi Andrew,
>
> After merging the akpm tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> arch/powerpc/kernel/setup-common.c:36:10: fatal error: linux/bootmem.h: No such file or directory
>  #include <linux/bootmem.h>
>           ^~~~~~~~~~~~~~~~~
>
> Caused by commit
>
>   49353a51a758 ("mm: remove include/linux/bootmem.h")
>
> interacting with commit
>
>   d90fe2acd9b2 ("powerpc: Wire up memtest")
>
> from the powerpc tree.

Ah fudge, what are the chances we add a new include of bootmem.h just as
Mike's removing bootmem.

> I applied the following patch for today:
>
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Fri, 5 Oct 2018 16:09:34 +1000
> Subject: [PATCH] powerpc: fix up for removal of linux/bootmem.h
>
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> ---
>  arch/powerpc/kernel/setup-common.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
> index 2b56d1f30387..93ee3703b42f 100644
> --- a/arch/powerpc/kernel/setup-common.c
> +++ b/arch/powerpc/kernel/setup-common.c
> @@ -33,7 +33,6 @@
>  #include <linux/serial_8250.h>
>  #include <linux/percpu.h>
>  #include <linux/memblock.h>
> -#include <linux/bootmem.h>
>  #include <linux/of_platform.h>
>  #include <linux/hugetlb.h>
>  #include <asm/debugfs.h>

I could just apply that to my tree. memblock.h is where early_memtest() is
actually defined anyway.

cheers
Stephen Rothwell Oct. 5, 2018, 12:46 p.m. UTC | #2
Hi Michael,

On Fri, 05 Oct 2018 22:02:45 +1000 Michael Ellerman <mpe@ellerman.id.au> wrote:
>
> Ah fudge, what are the chances we add a new include of bootmem.h just as
> Mike's removing bootmem.

In my experience, it was almost certain ... almost every API removal
conflicts with new added uses.  :-)

> I could just apply that to my tree. memblock.h is where early_memtest() is
> actually defined anyway.

However min_low_pfn and max_low_pfn are defined in bootmem.h until
after it is removed.
Michael Ellerman Oct. 6, 2018, 12:10 p.m. UTC | #3
Stephen Rothwell <sfr@canb.auug.org.au> writes:
> Hi Michael,
>
> On Fri, 05 Oct 2018 22:02:45 +1000 Michael Ellerman <mpe@ellerman.id.au> wrote:
>>
>> Ah fudge, what are the chances we add a new include of bootmem.h just as
>> Mike's removing bootmem.
>
> In my experience, it was almost certain ... almost every API removal
> conflicts with new added uses.  :-)

I suppose. Though the last time we added a new include of bootmem.h was
2015, and that should have actually been memblock.h.

>> I could just apply that to my tree. memblock.h is where early_memtest() is
>> actually defined anyway.
>
> However min_low_pfn and max_low_pfn are defined in bootmem.h until
> after it is removed.

OK. I guess I'll leave it for Andrew to squash in to the series.

cheers
diff mbox series

Patch

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 2b56d1f30387..93ee3703b42f 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -33,7 +33,6 @@ 
 #include <linux/serial_8250.h>
 #include <linux/percpu.h>
 #include <linux/memblock.h>
-#include <linux/bootmem.h>
 #include <linux/of_platform.h>
 #include <linux/hugetlb.h>
 #include <asm/debugfs.h>