Re: [PATCH v1 02/18] mm/rmap: always inline anon/file rmap duplication of a single PTE
"Yin, Fengwei" <[email protected]>
| Newsgroups | gmane.linux.documentation,gmane.linux.kernel,gmane.linux.kernel.mm,gmane.linux.kernel.cgroups,gmane.linux.ports.sh.devel,gmane.linux.file-systems |
|---|---|
| Message-ID | <[email protected]> |
On 4/10/2024 3:22 AM, David Hildenbrand wrote: > As we grow the code, the compiler might make stupid decisions and > unnecessarily degrade fork() performance. Let's make sure to always inline > functions that operate on a single PTE so the compiler will always > optimize out the loop and avoid a function call. > > This is a preparation for maintining a total mapcount for large folios. > > Signed-off-by: David Hildenbrand <[email protected]> Reviewed-by: Yin Fengwei <[email protected]>