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| author | Dave Airlie <airlied@redhat.com> | 2020-01-20 02:08:11 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-01-20 02:42:57 +0100 |
| commit | 3d4743131b8de970faa4b979ead0fadfe5d2de9d (patch) | |
| tree | 68e948c2d94d48598dd37e31bb654feb0b43ae4a /mm/shmem.c | |
| parent | Merge tag 'amd-drm-next-5.6-2020-01-17' of git://people.freedesktop.org/~agd5... (diff) | |
| parent | Linux 5.5-rc7 (diff) | |
| download | linux-3d4743131b8de970faa4b979ead0fadfe5d2de9d.tar.xz linux-3d4743131b8de970faa4b979ead0fadfe5d2de9d.zip | |
Backmerge v5.5-rc7 into drm-next
msm needs 5.5-rc4, go to the latest.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 165fa6332993..8793e8cc1a48 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2107,9 +2107,10 @@ unsigned long shmem_get_unmapped_area(struct file *file, /* * Our priority is to support MAP_SHARED mapped hugely; * and support MAP_PRIVATE mapped hugely too, until it is COWed. - * But if caller specified an address hint, respect that as before. + * But if caller specified an address hint and we allocated area there + * successfully, respect that as before. */ - if (uaddr) + if (uaddr == addr) return addr; if (shmem_huge != SHMEM_HUGE_FORCE) { @@ -2143,7 +2144,7 @@ unsigned long shmem_get_unmapped_area(struct file *file, if (inflated_len < len) return addr; - inflated_addr = get_area(NULL, 0, inflated_len, 0, flags); + inflated_addr = get_area(NULL, uaddr, inflated_len, 0, flags); if (IS_ERR_VALUE(inflated_addr)) return addr; if (inflated_addr & ~PAGE_MASK) |