| 12345678910111213141516171819202122232425262728293031323334 |
- From 592017c3a910a3905b1925aee88c4674e9a596b7 Mon Sep 17 00:00:00 2001
- From: Gaurav Jain <[email protected]>
- Date: Tue, 30 May 2023 17:09:42 +0530
- Subject: [PATCH] zero copy: Fix build for Linux 6.4
- get_user_pages_remote api prototype is changed in kernel.
- struct vm_area_struct **vmas argument is removed.
- Migrate to the new API.
- Signed-off-by: Gaurav Jain <[email protected]>
- ---
- zc.c | 6 +++++-
- 1 file changed, 5 insertions(+), 1 deletion(-)
- diff --git a/zc.c b/zc.c
- index fdf7da17..6637945a 100644
- --- a/zc.c
- +++ b/zc.c
- @@ -80,10 +80,14 @@ int __get_userbuf(uint8_t __user *addr, uint32_t len, int write,
- ret = get_user_pages_remote(task, mm,
- (unsigned long)addr, pgcount, write ? FOLL_WRITE : 0,
- pg, NULL, NULL);
- -#else
- +#elif (LINUX_VERSION_CODE < KERNEL_VERSION(6, 4, 0))
- ret = get_user_pages_remote(mm,
- (unsigned long)addr, pgcount, write ? FOLL_WRITE : 0,
- pg, NULL, NULL);
- +#else
- + ret = get_user_pages_remote(mm,
- + (unsigned long)addr, pgcount, write ? FOLL_WRITE : 0,
- + pg, NULL);
- #endif
- #if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0))
- up_read(&mm->mmap_sem);
|
