* [android-common:android16-6.12-desktop 36/36] drivers/block/zram/zram_ioctl.c:128:23: error: alignment may not be specified for 'pidfd'
@ 2026-04-07 4:01 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-04-07 4:01 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
Hi Richard,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android16-6.12-desktop
head: 80789ec92e27cff976d5fc1f92a536be1bb3b14c
commit: 160a4092db67397d85b790f102f375ae0e045257 [36/36] ANDROID: zram: Add ZRAM_ANDROID_IOC_PROCESS_PREFETCH ioctl
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260406/202604060832.eGI4CqSI-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260406/202604060832.eGI4CqSI-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202604060832.eGI4CqSI-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/block/zram/zram_ioctl.c:128:23: error: alignment may not be specified for 'pidfd'
128 | __aligned_u64 pidfd,
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for INTEL_MEI_ME
Depends on [n]: X86 && PCI [=y]
Selected by [y]:
- INTEL_MEI_HDCP [=y] && (DRM_I915 [=n] || DRM_XE [=y])
- INTEL_MEI_PXP [=y] && (DRM_I915 [=n] || DRM_XE [=y])
vim +/pidfd +128 drivers/block/zram/zram_ioctl.c
126
127 static int zram_ioctl_process_scan(struct zram *zram, unsigned int cmd,
> 128 __aligned_u64 pidfd,
129 struct zram_android_ioc_process_range_writeback *prwb,
130 struct zram_pp_ctl *ctl)
131 {
132 struct mm_struct *mm;
133 struct vm_area_struct *vma;
134 struct task_struct *task;
135 unsigned long start_addr = 0;
136 u64 nr_remaining_pages = 0;
137 unsigned int f_flags;
138 int ret = 0;
139
140 struct zram_process_walk_private private = {
141 .zram = zram,
142 .pp_ctl = ctl,
143 .cmd = cmd,
144 };
145
146 if (cmd == ZRAM_ANDROID_IOC_PROCESS_RANGE_WRITEBACK) {
147 start_addr = (unsigned long)prwb->start_addr;
148 nr_remaining_pages = DIV_ROUND_UP_POW2(prwb->size, PAGE_SIZE);
149 }
150
151 if (!nr_remaining_pages)
152 private.nr_remaining_pages = NR_PAGES_UNLIMITED;
153 else
154 private.nr_remaining_pages = nr_remaining_pages;
155
156 task = pidfd_get_task(pidfd, &f_flags);
157 if (IS_ERR(task))
158 return PTR_ERR(task);
159
160 mm = get_task_mm(task);
161 if (!mm) {
162 ret = -ESRCH;
163 goto release_task;
164 }
165
166 if (start_addr >= mm->task_size) {
167 ret = -EINVAL;
168 goto release_mm;
169 }
170
171 if (!IS_ALIGNED(start_addr, PAGE_SIZE)) {
172 ret = -EINVAL;
173 goto release_mm;
174 }
175
176 VMA_ITERATOR(vmi, mm, start_addr);
177 /* Iterates through all the VMAs of the process */
178 mmap_read_lock(mm);
179 for_each_vma(vmi, vma) {
180 unsigned long start = max(vma->vm_start, start_addr);
181
182 if (!vma_is_anonymous(vma) && (!can_do_file_pageout(vma) &&
183 (vma->vm_flags & VM_MAYSHARE)))
184 continue;
185
186 ret = walk_page_range(mm, start, vma->vm_end,
187 &zram_walk_ops, &private);
188 if (ret)
189 break;
190 }
191
192 if (cmd == ZRAM_ANDROID_IOC_PROCESS_RANGE_WRITEBACK) {
193 if (ret > 0) {
194 prwb->next_addr = private.next_addr;
195 ret = 0;
196 } else {
197 prwb->next_addr = 0;
198 }
199 }
200
201 mmap_read_unlock(mm);
202 release_mm:
203 mmput(mm);
204 release_task:
205 put_task_struct(task);
206
207 return ret;
208 }
209
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread* [android-common:android16-6.12-desktop 36/36] drivers/block/zram/zram_ioctl.c:128:23: error: alignment may not be specified for 'pidfd'
@ 2026-03-26 1:13 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2026-03-26 1:13 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
tree: https://android.googlesource.com/kernel/common android16-6.12-desktop
head: f7b5f6381c3c4402de70d091e7db40ef4606c7c4
commit: 160a4092db67397d85b790f102f375ae0e045257 [36/36] ANDROID: zram: Add ZRAM_ANDROID_IOC_PROCESS_PREFETCH ioctl
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260326/202603260907.3cpvyJ4i-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260326/202603260907.3cpvyJ4i-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603260907.3cpvyJ4i-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/block/zram/zram_ioctl.c:128:23: error: alignment may not be specified for 'pidfd'
128 | __aligned_u64 pidfd,
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for INTEL_MEI_ME
Depends on [n]: X86 && PCI [=y]
Selected by [y]:
- INTEL_MEI_HDCP [=y] && (DRM_I915 [=n] || DRM_XE [=y])
- INTEL_MEI_PXP [=y] && (DRM_I915 [=n] || DRM_XE [=y])
vim +/pidfd +128 drivers/block/zram/zram_ioctl.c
126
127 static int zram_ioctl_process_scan(struct zram *zram, unsigned int cmd,
> 128 __aligned_u64 pidfd,
129 struct zram_android_ioc_process_range_writeback *prwb,
130 struct zram_pp_ctl *ctl)
131 {
132 struct mm_struct *mm;
133 struct vm_area_struct *vma;
134 struct task_struct *task;
135 unsigned long start_addr = 0;
136 u64 nr_remaining_pages = 0;
137 unsigned int f_flags;
138 int ret = 0;
139
140 struct zram_process_walk_private private = {
141 .zram = zram,
142 .pp_ctl = ctl,
143 .cmd = cmd,
144 };
145
146 if (cmd == ZRAM_ANDROID_IOC_PROCESS_RANGE_WRITEBACK) {
147 start_addr = (unsigned long)prwb->start_addr;
148 nr_remaining_pages = DIV_ROUND_UP_POW2(prwb->size, PAGE_SIZE);
149 }
150
151 if (!nr_remaining_pages)
152 private.nr_remaining_pages = NR_PAGES_UNLIMITED;
153 else
154 private.nr_remaining_pages = nr_remaining_pages;
155
156 task = pidfd_get_task(pidfd, &f_flags);
157 if (IS_ERR(task))
158 return PTR_ERR(task);
159
160 mm = get_task_mm(task);
161 if (!mm) {
162 ret = -ESRCH;
163 goto release_task;
164 }
165
166 if (start_addr >= mm->task_size) {
167 ret = -EINVAL;
168 goto release_mm;
169 }
170
171 if (!IS_ALIGNED(start_addr, PAGE_SIZE)) {
172 ret = -EINVAL;
173 goto release_mm;
174 }
175
176 VMA_ITERATOR(vmi, mm, start_addr);
177 /* Iterates through all the VMAs of the process */
178 mmap_read_lock(mm);
179 for_each_vma(vmi, vma) {
180 unsigned long start = max(vma->vm_start, start_addr);
181
182 if (!vma_is_anonymous(vma) && (!can_do_file_pageout(vma) &&
183 (vma->vm_flags & VM_MAYSHARE)))
184 continue;
185
186 ret = walk_page_range(mm, start, vma->vm_end,
187 &zram_walk_ops, &private);
188 if (ret)
189 break;
190 }
191
192 if (cmd == ZRAM_ANDROID_IOC_PROCESS_RANGE_WRITEBACK) {
193 if (ret > 0) {
194 prwb->next_addr = private.next_addr;
195 ret = 0;
196 } else {
197 prwb->next_addr = 0;
198 }
199 }
200
201 mmap_read_unlock(mm);
202 release_mm:
203 mmput(mm);
204 release_task:
205 put_task_struct(task);
206
207 return ret;
208 }
209
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2026-04-07 4:02 UTC | newest]
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