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Date: Mon, 11 Jan 2016 14:26:49 +0100
From: Vlastimil Babka <vbabka@...e.cz>
To: Stephen Rothwell <sfr@...b.auug.org.au>,
Andrew Morton <akpm@...ux-foundation.org>,
Al Viro <viro@...IV.linux.org.uk>
Cc: linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
Dmitry Monakhov <dmonakhov@...nvz.org>
Subject: Re: linux-next: manual merge of the akpm-current tree with the vfs
tree
On 01/11/2016 08:48 AM, Stephen Rothwell wrote:
> Hi Andrew,
>
> Today's linux-next merge of the akpm-current tree got a conflict in:
>
> lib/vsprintf.c
>
> between commit:
>
> 1031bc589228 ("lib/vsprintf: add %*pg format specifier")
>
> from the vfs tree and commit:
>
> 88f2367418d7 ("mm, printk: introduce new format string for flags")
>
> from the akpm-current tree.
Ouch, thanks for the heads-up.
> I fixed it up (I switched the latter to 'j' since there were less of
> them to fix up - see below) and can carry the fix as necessary (no action
> is required).
Next mmotm shouldn't have this series anymore (it's already gone in mmots) due
to a substantial non-incremental rewrite which I will resubmit after 4.5-rc1, so
I'll consider going with the 'j' or pick a new character. Thanks.
> I also added this patch to fix up all the new uses.
>
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Mon, 11 Jan 2016 18:42:34 +1100
> Subject: [PATCH] mm-printk-introduce-new-format-string-for-flags-fix-3
>
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
> Documentation/printk-formats.txt | 6 +++---
> mm/debug.c | 6 +++---
> mm/oom_kill.c | 2 +-
> mm/page_alloc.c | 4 ++--
> mm/page_owner.c | 6 +++---
> 5 files changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
> index ad9eeba1768f..ba139ca32e86 100644
> --- a/Documentation/printk-formats.txt
> +++ b/Documentation/printk-formats.txt
> @@ -300,9 +300,9 @@ bitmap and its derivatives such as cpumask and nodemask:
>
> Flags bitfields such as page flags, gfp_flags:
>
> - %pgp referenced|uptodate|lru|active|private
> - %pgg GFP_USER|GFP_DMA32|GFP_NOWARN
> - %pgv read|exec|mayread|maywrite|mayexec|denywrite
> + %pjp referenced|uptodate|lru|active|private
> + %pjg GFP_USER|GFP_DMA32|GFP_NOWARN
> + %pjv read|exec|mayread|maywrite|mayexec|denywrite
>
> For printing flags bitfields as a collection of symbolic constants that
> would construct the value. The type of flags is given by the third
> diff --git a/mm/debug.c b/mm/debug.c
> index adfec056aca8..0ea2db2183e8 100644
> --- a/mm/debug.c
> +++ b/mm/debug.c
> @@ -118,7 +118,7 @@ void __dump_page(struct page *page, const char *reason)
> page->mapping, page->index);
> BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) != __NR_PAGEFLAGS + 1);
>
> - pr_emerg("flags: %#lx(%pgp)\n", page->flags, &page->flags);
> + pr_emerg("flags: %#lx(%pjp)\n", page->flags, &page->flags);
>
> if (reason)
> pr_alert("page dumped because: %s\n", reason);
> @@ -143,7 +143,7 @@ void dump_vma(const struct vm_area_struct *vma)
> "next %p prev %p mm %p\n"
> "prot %lx anon_vma %p vm_ops %p\n"
> "pgoff %lx file %p private_data %p\n"
> - "flags: %#lx(%pgv)\n",
> + "flags: %#lx(%pjv)\n",
> vma, (void *)vma->vm_start, (void *)vma->vm_end, vma->vm_next,
> vma->vm_prev, vma->vm_mm,
> (unsigned long)pgprot_val(vma->vm_page_prot),
> @@ -220,7 +220,7 @@ void dump_mm(const struct mm_struct *mm)
> "" /* This is here to not have a comma! */
> );
>
> - pr_emerg("def_flags: %#lx(%pgv)\n", mm->def_flags, &mm->def_flags);
> + pr_emerg("def_flags: %#lx(%pjv)\n", mm->def_flags, &mm->def_flags);
> }
>
> #endif /* CONFIG_DEBUG_VM */
> diff --git a/mm/oom_kill.c b/mm/oom_kill.c
> index b8a4210929cc..8579d26f2c32 100644
> --- a/mm/oom_kill.c
> +++ b/mm/oom_kill.c
> @@ -405,7 +405,7 @@ static void dump_header(struct oom_control *oc, struct task_struct *p,
> struct mem_cgroup *memcg)
> {
> pr_warning("%s invoked oom-killer: order=%d, oom_score_adj=%hd, "
> - "gfp_mask=%#x(%pgg)\n",
> + "gfp_mask=%#x(%pjg)\n",
> current->comm, oc->order, current->signal->oom_score_adj,
> oc->gfp_mask, &oc->gfp_mask);
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 3c3a5c52d277..42536a624a03 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -444,7 +444,7 @@ static void bad_page(struct page *page, const char *reason,
> __dump_page(page, reason);
> bad_flags &= page->flags;
> if (bad_flags)
> - pr_alert("bad because of flags: %#lx(%pgp)\n",
> + pr_alert("bad because of flags: %#lx(%pjp)\n",
> bad_flags, &bad_flags);
> dump_page_owner(page);
>
> @@ -2708,7 +2708,7 @@ void warn_alloc_failed(gfp_t gfp_mask, unsigned int order, const char *fmt, ...)
> va_end(args);
> }
>
> - pr_warn("%s: page allocation failure: order:%u, mode:%#x(%pgg)\n",
> + pr_warn("%s: page allocation failure: order:%u, mode:%#x(%pjg)\n",
> current->comm, order, gfp_mask, &gfp_mask);
> dump_stack();
> if (!should_suppress_show_mem())
> diff --git a/mm/page_owner.c b/mm/page_owner.c
> index 011377548b4f..afb7a444fb08 100644
> --- a/mm/page_owner.c
> +++ b/mm/page_owner.c
> @@ -135,7 +135,7 @@ print_page_owner(char __user *buf, size_t count, unsigned long pfn,
> return -ENOMEM;
>
> ret = snprintf(kbuf, count,
> - "Page allocated via order %u, mask %#x(%pgg)\n",
> + "Page allocated via order %u, mask %#x(%pjg)\n",
> page_ext->order, page_ext->gfp_mask,
> &page_ext->gfp_mask);
>
> @@ -146,7 +146,7 @@ print_page_owner(char __user *buf, size_t count, unsigned long pfn,
> pageblock_mt = get_pfnblock_migratetype(page, pfn);
> page_mt = gfpflags_to_migratetype(page_ext->gfp_mask);
> ret += snprintf(kbuf + ret, count - ret,
> - "PFN %lu type %s Block %lu type %s Flags %#lx(%pgp)\n",
> + "PFN %lu type %s Block %lu type %s Flags %#lx(%pjp)\n",
> pfn,
> migratetype_names[page_mt],
> pfn >> pageblock_order,
> @@ -199,7 +199,7 @@ void __dump_page_owner(struct page *page)
> }
>
> pr_alert("page allocated via order %u, migratetype %s, "
> - "gfp_mask %#x(%pgg)\n", page_ext->order,
> + "gfp_mask %#x(%pjg)\n", page_ext->order,
> migratetype_names[mt], gfp_mask, &gfp_mask);
> print_stack_trace(&trace, 0);
>
>
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