Re: [PATCH 2/2] mm: Add kvmalloc_ab_c and kvzalloc_struct

From: Matthew Wilcox
Date: Wed Mar 07 2018 - 21:58:30 EST


On Wed, Mar 07, 2018 at 10:18:21PM +0100, Julia Lawall wrote:
> > Otherwise, yes, please. We could build a coccinelle rule for
> > additional replacements...
>
> A potential semantic patch and the changes it generates are attached
> below. Himanshu Jha helped with its development. Working on this
> uncovered one bug, where the allocated array is too large, because the
> size provided for it was a structure size, but actually only pointers to
> that structure were to be stored in it.

This is cool! Thanks for doing the coccinelle patch! Diffstat:

50 files changed, 81 insertions(+), 124 deletions(-)

I find that pretty compelling. I'll repost the kvmalloc_struct patch
imminently.