On Thu, Jul 02, 2020 at 03:27:59PM +, Long Li wrote:
> ---
> changes in V4:
> -Change the check function name to kmalloc_check_flags()
> -Put the flags check into the kmalloc_check_flags()
The point of not doing that was that this is unlikely(). With your
change there is now a function call
kmalloc cannot allocate memory from HIGHMEM. Allocating large amounts
of memory currently bypasses the check and will simply leak the memory
when page_address() returns NULL. To fix this, factor the
GFP_SLAB_BUG_MASK check out of slab & slub, and call it from
kmalloc_order() as well. In order to
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