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From 592017c3a910a3905b1925aee88c4674e9a596b7 Mon Sep 17 00:00:00 2001
From: Gaurav Jain <gaurav.jain@nxp.com>
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 <gaurav.jain@nxp.com>
---
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);
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