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Optimize patch to avoid odd strncmp and strlen

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Mikhail Novosyolov 2020-08-01 23:05:59 +03:00
parent 3e4f00ba01
commit fdca677668
1 changed files with 1 additions and 1 deletions
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0001-mm-add-sysctl-to-disable-disk-based-swap.patch
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@ -146,7 +146,7 @@ index 891a3ef48651..ef79f4d03809 100644
p->bdev = bdgrab(I_BDEV(inode));
+ bdevname(p->bdev, name);
+ // If sysctl vm.disk_based_swap = false, prohibit any swaps but zram
+ if (strncmp(name, "zram", strlen("zram")) && !sysctl_disk_based_swap) {
+ if (!sysctl_disk_based_swap && strncmp(name, "zram", strlen("zram"))) {
+ bdput(p->bdev);
+ p->bdev = NULL;
+ return -EINVAL;