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| author | Christoph Hellwig <[email protected]> | 2023-03-07 14:34:08 +0000 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2023-04-06 02:42:42 +0000 |
| commit | aaeb94eb86c58a89e70ae2dda46e137a72508ae3 (patch) | |
| tree | ab0a5ff340636ffcba17677f74176430d73eb09d /mm/huge_memory.c | |
| parent | shmem: shmem_get_partial_folio use filemap_get_entry (diff) | |
| download | kernel-aaeb94eb86c58a89e70ae2dda46e137a72508ae3.tar.gz kernel-aaeb94eb86c58a89e70ae2dda46e137a72508ae3.zip | |
shmem: open code the page cache lookup in shmem_get_folio_gfp
Use the very low level filemap_get_entry helper to look up the entry in
the xarray, and then:
- don't bother locking the folio if only doing a userfault notification
- open code locking the page and checking for truncation in a related
code block
This will allow to eventually remove the FGP_ENTRY flag.
[[email protected]: adjust the new comment line]
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Hugh Dickins <[email protected]>
Acked-by: Hugh Dickins <[email protected]>
Cc: Andreas Gruenbacher <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Ryusuke Konishi <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'mm/huge_memory.c')
0 files changed, 0 insertions, 0 deletions