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author | Wolfram Sang <wsa@the-dreams.de> | 2018-12-11 20:58:20 +0100 |
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committer | Wolfram Sang <wsa@the-dreams.de> | 2018-12-11 20:58:20 +0100 |
commit | 66693960f574aa830986e1603657af36423b24eb (patch) | |
tree | 035aae54d64d79e514f95e18cc3dcf411a98c55e /drivers/base/devres.c | |
parent | 3ca3f86f7f4856222a8b697d60d32717160a1a1b (diff) | |
parent | 40e020c129cfc991e8ab4736d2665351ffd1468d (diff) | |
download | linux-66693960f574aa830986e1603657af36423b24eb.tar.gz linux-66693960f574aa830986e1603657af36423b24eb.tar.bz2 linux-66693960f574aa830986e1603657af36423b24eb.zip |
Merge tag 'v4.20-rc6' into i2c/for-5.0
Linux 4.20-rc6
Diffstat (limited to 'drivers/base/devres.c')
-rw-r--r-- | drivers/base/devres.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/base/devres.c b/drivers/base/devres.c index 4aaf00d2098b..e038e2b3b7ea 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -26,8 +26,14 @@ struct devres_node { struct devres { struct devres_node node; - /* -- 3 pointers */ - unsigned long long data[]; /* guarantee ull alignment */ + /* + * Some archs want to perform DMA into kmalloc caches + * and need a guaranteed alignment larger than + * the alignment of a 64-bit integer. + * Thus we use ARCH_KMALLOC_MINALIGN here and get exactly the same + * buffer alignment as if it was allocated by plain kmalloc(). + */ + u8 __aligned(ARCH_KMALLOC_MINALIGN) data[]; }; struct devres_group { |