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| author | Bjoern A. Zeeb <bz@FreeBSD.org> | 2023-01-28 16:00:55 +0000 |
|---|---|---|
| committer | Bjoern A. Zeeb <bz@FreeBSD.org> | 2023-02-17 23:42:14 +0000 |
| commit | 1984e6e4f1583ad1a44b6913e8722121fabe8967 (patch) | |
| tree | c9c5b3f7345be58edd51e9d5d8995ac84eed9df0 | |
| parent | 75727a02155af29167a6d460de5ce6a9d52e26d8 (diff) | |
| download | src-1984e6e4f1583ad1a44b6913e8722121fabe8967.tar.gz src-1984e6e4f1583ad1a44b6913e8722121fabe8967.zip | |
LinuxKPI: mm.h: implement virt_to_head_page()
Implement virt_to_head_page().
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
Reviewed by: markj
Differential Revision: https://reviews.freebsd.org/D38240
(cherry picked from commit 70b97048a051958be37b650b8a67c89203fd6b70)
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/mm.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/mm.h b/sys/compat/linuxkpi/common/include/linux/mm.h index c1011b56fe24..49c961886678 100644 --- a/sys/compat/linuxkpi/common/include/linux/mm.h +++ b/sys/compat/linuxkpi/common/include/linux/mm.h @@ -41,6 +41,7 @@ #include <linux/list.h> #include <linux/mmap_lock.h> #include <linux/shrinker.h> +#include <linux/page.h> #include <asm/pgtable.h> @@ -151,6 +152,13 @@ struct sysinfo { uint32_t mem_unit; /* Memory unit size in bytes */ }; +static inline struct page * +virt_to_head_page(const void *p) +{ + + return (virt_to_page(p)); +} + /* * Compute log2 of the power of two rounded up count of pages * needed for size bytes. |