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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2018-01-07 13:06:15 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2018-01-07 13:06:15 -0500 |
| commit | 50fd2f298bef9d1f69ac755f1fdf70cd98746be2 (patch) | |
| tree | b7c3dd1d018f7f754d15dc793e4120d0f0c8f007 /include/linux/string.h | |
| parent | memdup_user(): switch to GFP_USER (diff) | |
| download | wireguard-linux-50fd2f298bef9d1f69ac755f1fdf70cd98746be2.tar.xz wireguard-linux-50fd2f298bef9d1f69ac755f1fdf70cd98746be2.zip | |
new primitive: vmemdup_user()
similar to memdup_user(), but does *not* guarantee that result will
be physically contiguous; use only in cases where that's not a requirement
and free it with kvfree().
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/string.h')
| -rw-r--r-- | include/linux/string.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/string.h b/include/linux/string.h index 410ecf17de3c..12d5429de0c8 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -11,6 +11,7 @@ extern char *strndup_user(const char __user *, long); extern void *memdup_user(const void __user *, size_t); +extern void *vmemdup_user(const void __user *, size_t); extern void *memdup_user_nul(const void __user *, size_t); /* |