library: expand fields and break an ABI, <MEMINFO> api
The immediately prior commit demonstrated how our APIs might be expanded in at some point in the future while maintaining binary compatibility in previous programs. However, since we've yet to release the 1st version of our new library, there's no need to violate alphabetic ordering just yet. So, this patch restores that order. Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner
Craig Small
parent
09e1886c9e
commit
4f2fe6411e
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@ -76,6 +76,8 @@ struct meminfo_data {
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unsigned long SReclaimable;
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unsigned long SUnreclaim;
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unsigned long Shmem;
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unsigned long ShmemHugePages;
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unsigned long ShmemPmdMapped;
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unsigned long Slab;
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unsigned long SwapCached;
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unsigned long SwapFree;
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@ -91,10 +93,6 @@ struct meminfo_data {
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unsigned long derived_mem_lo_used;
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unsigned long derived_mem_used;
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unsigned long derived_swap_used;
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// new with kernel 4.8
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unsigned long ShmemHugePages;
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unsigned long ShmemPmdMapped;
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};
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struct mem_hist {
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@ -164,6 +162,8 @@ MEM_set(MEM_MAPPED, ul_int, Mapped)
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MEM_set(MEM_NFS_UNSTABLE, ul_int, NFS_Unstable)
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MEM_set(MEM_PAGE_TABLES, ul_int, PageTables)
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MEM_set(MEM_SHARED, ul_int, Shmem)
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MEM_set(MEM_SHMEM_HUGE, ul_int, ShmemHugePages)
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MEM_set(MEM_SHMEM_HUGE_MAP, ul_int, ShmemPmdMapped)
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MEM_set(MEM_SLAB, ul_int, Slab)
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MEM_set(MEM_SLAB_RECLAIM, ul_int, SReclaimable)
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MEM_set(MEM_SLAB_UNRECLAIM, ul_int, SUnreclaim)
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@ -204,6 +204,8 @@ HST_set(DELTA_MAPPED, s_int, Mapped)
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HST_set(DELTA_NFS_UNSTABLE, s_int, NFS_Unstable)
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HST_set(DELTA_PAGE_TABLES, s_int, PageTables)
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HST_set(DELTA_SHARED, s_int, Shmem)
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HST_set(DELTA_SHMEM_HUGE, s_int, ShmemHugePages)
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HST_set(DELTA_SHMEM_HUGE_MAP, s_int, ShmemPmdMapped)
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HST_set(DELTA_SLAB, s_int, Slab)
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HST_set(DELTA_SLAB_RECLAIM, s_int, SReclaimable)
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HST_set(DELTA_SLAB_UNRECLAIM, s_int, SUnreclaim)
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@ -229,12 +231,6 @@ MEM_set(SWAP_FREE, ul_int, SwapFree)
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MEM_set(SWAP_TOTAL, ul_int, SwapTotal)
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MEM_set(SWAP_USED, ul_int, derived_swap_used)
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// new with kernel 4.8
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MEM_set(MEM_SHMEM_HUGE, ul_int, ShmemHugePages)
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MEM_set(MEM_SHMEM_HUGE_MAP, ul_int, ShmemPmdMapped)
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HST_set(DELTA_SHMEM_HUGE, s_int, ShmemHugePages)
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HST_set(DELTA_SHMEM_HUGE_MAP, s_int, ShmemPmdMapped)
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#undef setDECL
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#undef MEM_set
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#undef HST_set
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@ -289,6 +285,8 @@ static struct {
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{ RS(MEM_NFS_UNSTABLE), TS(ul_int) },
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{ RS(MEM_PAGE_TABLES), TS(ul_int) },
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{ RS(MEM_SHARED), TS(ul_int) },
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{ RS(MEM_SHMEM_HUGE), TS(ul_int) },
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{ RS(MEM_SHMEM_HUGE_MAP), TS(ul_int) },
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{ RS(MEM_SLAB), TS(ul_int) },
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{ RS(MEM_SLAB_RECLAIM), TS(ul_int) },
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{ RS(MEM_SLAB_UNRECLAIM), TS(ul_int) },
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@ -329,6 +327,8 @@ static struct {
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{ RS(DELTA_NFS_UNSTABLE), TS(s_int) },
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{ RS(DELTA_PAGE_TABLES), TS(s_int) },
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{ RS(DELTA_SHARED), TS(s_int) },
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{ RS(DELTA_SHMEM_HUGE), TS(s_int) },
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{ RS(DELTA_SHMEM_HUGE_MAP), TS(s_int) },
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{ RS(DELTA_SLAB), TS(s_int) },
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{ RS(DELTA_SLAB_RECLAIM), TS(s_int) },
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{ RS(DELTA_SLAB_UNRECLAIM), TS(s_int) },
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@ -354,19 +354,13 @@ static struct {
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{ RS(SWAP_TOTAL), TS(ul_int) },
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{ RS(SWAP_USED), TS(ul_int) },
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// new with kernel 4.8
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{ RS(MEM_SHMEM_HUGE), TS(ul_int) },
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{ RS(MEM_SHMEM_HUGE_MAP), TS(ul_int) },
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{ RS(DELTA_SHMEM_HUGE), TS(s_int) },
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{ RS(DELTA_SHMEM_HUGE_MAP), TS(s_int) },
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// dummy entry corresponding to MEMINFO_logical_end ...
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{ NULL, NULL }
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};
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/* please note,
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* this enum MUST be 1 greater than the highest value of any enum */
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enum meminfo_item MEMINFO_logical_end = MEMINFO_DELTA_SHMEM_HUGE_MAP + 1;
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enum meminfo_item MEMINFO_logical_end = MEMINFO_SWAP_USED + 1;
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#undef setNAME
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#undef RS
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@ -532,6 +526,8 @@ static int make_hash_failed (
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htVAL(SReclaimable)
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htVAL(SUnreclaim)
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htVAL(Shmem)
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htVAL(ShmemHugePages)
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htVAL(ShmemPmdMapped)
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htVAL(Slab)
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htVAL(SwapCached)
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htVAL(SwapFree)
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@ -543,10 +539,6 @@ static int make_hash_failed (
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htVAL(Writeback)
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htVAL(WritebackTmp)
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// new with kernel 4.8
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htVAL(ShmemHugePages)
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htVAL(ShmemPmdMapped)
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return 0;
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#undef htVAL
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#undef htXTRA
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@ -57,6 +57,8 @@ enum meminfo_item {
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MEMINFO_MEM_NFS_UNSTABLE, // ul_int
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MEMINFO_MEM_PAGE_TABLES, // ul_int
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MEMINFO_MEM_SHARED, // ul_int
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MEMINFO_MEM_SHMEM_HUGE, // ul_int
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MEMINFO_MEM_SHMEM_HUGE_MAP, // ul_int
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MEMINFO_MEM_SLAB, // ul_int
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MEMINFO_MEM_SLAB_RECLAIM, // ul_int
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MEMINFO_MEM_SLAB_UNRECLAIM, // ul_int
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@ -97,6 +99,8 @@ enum meminfo_item {
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MEMINFO_DELTA_NFS_UNSTABLE, // s_int
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MEMINFO_DELTA_PAGE_TABLES, // s_int
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MEMINFO_DELTA_SHARED, // s_int
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MEMINFO_DELTA_SHMEM_HUGE, // s_int
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MEMINFO_DELTA_SHMEM_HUGE_MAP, // s_int
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MEMINFO_DELTA_SLAB, // s_int
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MEMINFO_DELTA_SLAB_RECLAIM, // s_int
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MEMINFO_DELTA_SLAB_UNRECLAIM, // s_int
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@ -120,14 +124,7 @@ enum meminfo_item {
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MEMINFO_SWAP_CACHED, // ul_int
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MEMINFO_SWAP_FREE, // ul_int
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MEMINFO_SWAP_TOTAL, // ul_int
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MEMINFO_SWAP_USED, // ul_int
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// new with kernel 4.8
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MEMINFO_MEM_SHMEM_HUGE, // ul_int
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MEMINFO_MEM_SHMEM_HUGE_MAP, // ul_int
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MEMINFO_DELTA_SHMEM_HUGE, // s_int
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MEMINFO_DELTA_SHMEM_HUGE_MAP, // s_int
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MEMINFO_SWAP_USED // ul_int
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};
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