xpmem: support large page

1. try to use as large page as possible on attach
2. pre-map resident remote pages on attach

Change-Id: I5580682a4199e94085a9bad9ce3958a0f14cdcea

test/issues/1259/aarch64_result.log

@@ -1,5 +1,9 @@
 *** C1259T01 start *******************************
+<<<<<<< HEAD
 ** xpmem_attach to Huge mapped memory range
+=======
+** xpem_attach to Huge mapped memory range
+>>>>>>> 5dfbb27... xpmem: Support large page attachment
 ** end of range is aligned with Large page size
 pageshift: 21
 ** [ OK ] seg_addr (100000400000) is allocated until xpmem_attach
@@ -13,7 +17,11 @@ pageshift: 34
 *** C1259T01: PASSED
 
 *** C1259T02 start *******************************
+<<<<<<< HEAD
 ** xpmem_attach to Huge mapped memory range
+=======
+** xpem_attach to Huge mapped memory range
+>>>>>>> 5dfbb27... xpmem: Support large page attachment
 ** end of range is NOT aligned with Large page size
 pageshift: 21
 ** [ OK ] seg_addr (100000400000) is allocated until xpmem_attach
@@ -27,15 +35,25 @@ pageshift: 34
 *** C1259T02: PASSED
 
 *** C1259T03 start *******************************
+<<<<<<< HEAD
 ** xpmem_attach to small mapped memory range
+=======
+** xpem_attach to small mapped memory range
+>>>>>>> 5dfbb27... xpmem: Support large page attachment
 pageshift: small page
 ** [ OK ] xpmem_addr (100000210000) is allocated using small pages
 *** C1259T03: PASSED
 
 *** C1259T04 start *******************************
+<<<<<<< HEAD
 ** xpmem_attach to multi pagesize range
 pageshift: 21
 ** [ OK ] xpmem_addr (100000600000) is allocated using large pages
+=======
+** xpem_attach to multi pagesize range
+pageshift: 21
+** [ OK ] xpmem_addr (100000400000) is allocated using large pages
+>>>>>>> 5dfbb27... xpmem: Support large page attachment
 *** C1259T04: PASSED
 
 *** C1259T05 start *******************************
@@ -43,12 +61,21 @@ pageshift: 21
 XPMEM version = 26003
 
 ==== test_base STARTS ====
+<<<<<<< HEAD
 xpmem_proc1: mypid = 38514
 xpmem_proc1: sharing 262144 bytes
 xpmem_proc1: segid = 200009672 at 0x100000210000
 
 xpmem_proc2: mypid = 38711
 xpmem_proc2: segid = 200009672
+=======
+xpmem_proc1: mypid = 10105
+xpmem_proc1: sharing 262144 bytes
+xpmem_proc1: segid = 200002779 at 0x100000210000
+
+xpmem_proc2: mypid = 10303
+xpmem_proc2: segid = 200002779
+>>>>>>> 5dfbb27... xpmem: Support large page attachment
 xpmem_proc2: attached at 0x100000210000
 xpmem_proc2: adding 1 to all elems
 
@@ -56,12 +83,22 @@ xpmem_proc1: verifying data...done
 ==== test_base PASSED ====
 
 ==== test_two_attach STARTS ====
+<<<<<<< HEAD
 xpmem_proc1: mypid = 39028
 xpmem_proc1: sharing 262144 bytes
 xpmem_proc1: segid = 200009874 at 0x100000210000
 
 xpmem_proc2: mypid = 39233
 xpmem_proc2: segid = 200009874
+=======
+xpmem_proc1: mypid = 10528
+xpmem_proc1: sharing 262144 bytes
+xpmem_proc1: segid = 200002920 at 0x100000210000
+
+xpmem_proc2: line 228: 11049 Segmentation fault      rm -f "$progdir/$file"
+xpmem_proc2: mypid = 10733
+xpmem_proc2: segid = 200002920
+>>>>>>> 5dfbb27... xpmem: Support large page attachment
 xpmem_proc2: attached at 0x100000210000
 xpmem_proc2: attached at 0x100000250000
 xpmem_proc2: adding 1 to all elems using 0x100000210000
@@ -71,6 +108,7 @@ xpmem_proc1: verifying data...done
 ==== test_two_attach PASSED ====
 
 ==== test_two_shares STARTS ====
+<<<<<<< HEAD
 xpmem_proc1: mypid = 39429
 xpmem_proc1: sharing 2 segments, 262144 bytes each
 xpmem_proc1: segid[0] = 200009a05 at 0x100000210000
@@ -79,6 +117,16 @@ xpmem_proc1: segid[1] = 400009a05 at 0x100000250000
 xpmem_proc2: mypid = 39625
 xpmem_proc2: segid[0] = 200009a05
 xpmem_proc2: segid[1] = 400009a05
+=======
+xpmem_proc1: mypid = 11064
+xpmem_proc1: sharing 2 segments, 262144 bytes each
+xpmem_proc1: segid[0] = 200002b38 at 0x100000210000
+xpmem_proc1: segid[1] = 400002b38 at 0x100000250000
+
+xpmem_proc2: mypid = 11261
+xpmem_proc2: segid[0] = 200002b38
+xpmem_proc2: segid[1] = 400002b38
+>>>>>>> 5dfbb27... xpmem: Support large page attachment
 xpmem_proc2: data[0] attached at 0x100000210000
 xpmem_proc2: data[1] attached at 0x100000250000
 xpmem_proc2: adding 1 to all elems using 0x100000210000
@@ -88,12 +136,21 @@ xpmem_proc1: verifying data...done
 ==== test_two_shares PASSED ====
 
 ==== test_fork STARTS ====
+<<<<<<< HEAD
 xpmem_proc1: mypid = 39831
 xpmem_proc1: sharing 262144 bytes
 xpmem_proc1: segid = 200009b97 at 0x100000210000
 
 xpmem_proc2: mypid = 40027
 xpmem_proc2: segid = 200009b97
+=======
+xpmem_proc1: mypid = 11598
+xpmem_proc1: sharing 262144 bytes
+xpmem_proc1: segid = 200002d4e at 0x100000210000
+
+xpmem_proc2: mypid = 11803
+xpmem_proc2: segid = 200002d4e
+>>>>>>> 5dfbb27... xpmem: Support large page attachment
 xpmem_proc2: attached at 0x100000220000
 xpmem_proc2: reading to pin pages
 xpmem_proc2: waiting for COW...
@@ -101,7 +158,11 @@ xpmem_proc2: waiting for COW...
 xpmem_proc1: forking a child
 xpmem_proc1: adding 1 to all elems to induce COW
 
+<<<<<<< HEAD
 xpmem_child: hello from pid 40224
+=======
+xpmem_child: hello from pid 12004
+>>>>>>> 5dfbb27... xpmem: Support large page attachment
 
 xpmem_proc1: give control back to xpmem_proc2