linux-kernel - Re: + mm-vmalloc-fix-vmalloc-users-tracking-properly-checkpatch-fixes.patch added to -mm tree

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Message-ID: <20170509211054.GB16325@dhcp22.suse.cz>
Date:   Tue, 9 May 2017 23:10:55 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     akpm@...ux-foundation.org, mm-commits@...r.kernel.org
Subject: Re: +
 mm-vmalloc-fix-vmalloc-users-tracking-properly-checkpatch-fixes.patch added
 to -mm tree

On Tue 09-05-17 13:34:39, Andrew Morton wrote:
> From: Andrew Morton <akpm@...ux-foundation.org>
> Subject: mm-vmalloc-fix-vmalloc-users-tracking-properly-checkpatch-fixes
> 
> ERROR: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 0123456789ab ("commit description")'
> #4: 
> 1f5307b1e094 ("mm, vmalloc: properly track vmalloc users") has pulled
> 
> WARNING: Possible unwrapped commit description (prefer a maximum 75 chars per line)
> #12: 
> >> arch/m68k/include/asm/mcf_pgtable.h:339:43: error: 'init_mm' undeclared (first use in this function)
> 
> ERROR: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 0123456789ab ("commit description")'
> #36: 
> This patch reverts 1f5307b1e094 and reimplements the original fix in a
> 
> WARNING: line over 80 characters
> #71: FILE: include/linux/vmalloc.h:85:
> +static inline void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags, void* caller)
> 
> ERROR: "foo* bar" should be "foo *bar"
> #71: FILE: include/linux/vmalloc.h:85:
> +static inline void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags, void* caller)
> 
> ERROR: "foo* bar" should be "foo *bar"
> #92: FILE: include/linux/vmalloc.h:96:
> +					int node, gfp_t flags, void* caller);
> 
> WARNING: line over 80 characters
> #143: FILE: mm/vmalloc.c:1820:
> +void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags, void *caller)
> 
> total: 4 errors, 3 warnings, 80 lines checked
> 
> NOTE: For some of the reported defects, checkpatch may be able to
>       mechanically convert to the typical style using --fix or --fix-inplace.
> 
> ./patches/mm-vmalloc-fix-vmalloc-users-tracking-properly.patch has style problems, please review.

Thanks for the fixups Andrew! While you are at it I've noticed that I
forgot to revert the comment for the originally inlined
__vmalloc_node_flags which is no longer relevant. Could to fold this as
well please?
---
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 268b3a919a5f..0e8e125b1ed6 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -87,11 +87,6 @@ static inline void *__vmalloc_node_flags_caller(unsigned long size, int node, gf
 	return __vmalloc_node_flags(size, node, flags);
 }
 #else
-/*
- * We really want to have this inlined due to caller tracking. This
- * function is used by the highlevel vmalloc apis and so we want to track
- * their callers and inlining will achieve that.
- */
 extern void *__vmalloc_node_flags_caller(unsigned long size,
 					int node, gfp_t flags, void* caller);
 #endif
-- 
Michal Hocko
SUSE Labs