android/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ANDROID: 16K: madvise_vma_pad_pages: Remove filemap_fault check

Browse Source 
Some file systems like F2FS use a custom filemap_fault ops. Remove this
check, as checking vm_file is sufficient.

Bug: 330117029
Bug: 327600007
Bug: 330767927
Bug: 328266487
Bug: 329803029
Change-Id: Id6a584d934f06650c0a95afd1823669fc77ba2c2
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
This commit is contained in:
Kalesh Singh 2024-04-25 09:59:08 -07:00
parent 000bbad86c
commit 162de86e24
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
mm/pgsize_migration.c
View File

@ -195,7 +195,7 @@ static inline bool linker_ctx(void)
* 2) The range ends at the end address of the VMA
* 3) The range starts at an address greater than the start address of the VMA
* 4) The number of the pages in the range does not exceed VM_TOTAL_PAD_PAGES.
* 5) The VMA is a regular file backed VMA (filemap_fault)
* 5) The VMA is a file backed VMA.
* 6) The file backing the VMA is a shared library (*.so)
* 7) The madvise was requested by bionic's dynamic linker.
*/
@ -220,7 +220,7 @@ void madvise_vma_pad_pages(struct vm_area_struct *vma,
return;
/* Only handle this for file backed VMAs */
if (!vma->vm_file || !vma->vm_ops || vma->vm_ops->fault != filemap_fault)
if (!vma->vm_file)
return;
/* Limit this to only shared libraries (*.so) */