| Message ID | 20210128104143.70668-1-ganeshgr@linux.ibm.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [v5,1/2] powerpc/mce: Reduce the size of event arrays | expand |
| Context | Check | Description |
|---|---|---|
| snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (44158b256b30415079588d0fcb1bccbdc2ccd009) |
| snowpatch_ozlabs/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 8 lines checked |
| snowpatch_ozlabs/needsstable | success | Patch has no Fixes tags |
On Thu, 28 Jan 2021 16:11:42 +0530, Ganesh Goudar wrote: > Maximum recursive depth of MCE is 4, Considering the maximum depth > allowed reduce the size of event to 10 from 100. This saves us ~19kB > of memory and has no fatal consequences. Applied to powerpc/next. [1/2] powerpc/mce: Reduce the size of event arrays https://git.kernel.org/powerpc/c/17c5cf0fb993e219bda4f53aa9ec90d3cfcf92ab [2/2] powerpc/mce: Remove per cpu variables from MCE handlers https://git.kernel.org/powerpc/c/923b3cf00b3ffc896543bac99affc0fa8553e41a cheers
diff --git a/arch/powerpc/include/asm/mce.h b/arch/powerpc/include/asm/mce.h index e6c27ae843dc..7d8b6679ec68 100644 --- a/arch/powerpc/include/asm/mce.h +++ b/arch/powerpc/include/asm/mce.h @@ -204,7 +204,7 @@ struct mce_error_info { bool ignore_event; }; -#define MAX_MC_EVT 100 +#define MAX_MC_EVT 10 /* Release flags for get_mce_event() */ #define MCE_EVENT_RELEASE true
Maximum recursive depth of MCE is 4, Considering the maximum depth allowed reduce the size of event to 10 from 100. This saves us ~19kB of memory and has no fatal consequences. Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com> --- v4: This patch is a fragment of the orignal patch which is split into two. v5: No changes. --- arch/powerpc/include/asm/mce.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)