> On May 30, 2019, at 5:14 AM, Kirill A. Shutemov wrote:
>
> On Wed, May 29, 2019 at 02:20:48PM -0700, Song Liu wrote:
>> Instead of splitting the compound page with FOLL_SPLIT, this patch allows
>> uprobe to only split pmd for huge pages.
>>
>> A helper function mm_address_trans_huge(mm, add
> On May 30, 2019, at 4:08 AM, William Kucharski
> wrote:
>
>
> Is there any reason to worry about supporting PUD-sized uprobe pages if
> CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD is defined? I would prefer
> not to bake in the assumption that "huge" means PMD-sized and more than
> it alread
On Wed, May 29, 2019 at 02:20:48PM -0700, Song Liu wrote:
> Instead of splitting the compound page with FOLL_SPLIT, this patch allows
> uprobe to only split pmd for huge pages.
>
> A helper function mm_address_trans_huge(mm, address) was introduced to
> test whether the address in mm is pointing t
Is there any reason to worry about supporting PUD-sized uprobe pages if
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD is defined? I would prefer
not to bake in the assumption that "huge" means PMD-sized and more than
it already is.
For example, if CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD is configu
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