Re: [PATCH v2 0/8] slab: provide and use krealloc_array()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 2020-11-02 at 16:20 +0100, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
> 
> Andy brought to my attention the fact that users allocating an array of
> equally sized elements should check if the size multiplication doesn't
> overflow. This is why we have helpers like kmalloc_array().
> 
> However we don't have krealloc_array() equivalent and there are many
> users who do their own multiplication when calling krealloc() for arrays.
> 
> This series provides krealloc_array() and uses it in a couple places.

My concern about this is a possible assumption that __GFP_ZERO will
work, and as far as I know, it will not.


_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel



[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux