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-rw-r--r--arch/x86_64/ia32/ia32entry.S6
-rw-r--r--arch/x86_64/ia32/sys_ia32.c19
2 files changed, 22 insertions, 3 deletions
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S
index 21868f9bed7c..47565c3345d2 100644
--- a/arch/x86_64/ia32/ia32entry.S
+++ b/arch/x86_64/ia32/ia32entry.S
@@ -620,7 +620,7 @@ ia32_sys_call_table:
620 .quad quiet_ni_syscall /* tux */ 620 .quad quiet_ni_syscall /* tux */
621 .quad quiet_ni_syscall /* security */ 621 .quad quiet_ni_syscall /* security */
622 .quad sys_gettid 622 .quad sys_gettid
623 .quad sys_readahead /* 225 */ 623 .quad sys32_readahead /* 225 */
624 .quad sys_setxattr 624 .quad sys_setxattr
625 .quad sys_lsetxattr 625 .quad sys_lsetxattr
626 .quad sys_fsetxattr 626 .quad sys_fsetxattr
@@ -645,7 +645,7 @@ ia32_sys_call_table:
645 .quad compat_sys_io_getevents 645 .quad compat_sys_io_getevents
646 .quad compat_sys_io_submit 646 .quad compat_sys_io_submit
647 .quad sys_io_cancel 647 .quad sys_io_cancel
648 .quad sys_fadvise64 /* 250 */ 648 .quad sys32_fadvise64 /* 250 */
649 .quad quiet_ni_syscall /* free_huge_pages */ 649 .quad quiet_ni_syscall /* free_huge_pages */
650 .quad sys_exit_group 650 .quad sys_exit_group
651 .quad sys32_lookup_dcookie 651 .quad sys32_lookup_dcookie
@@ -709,7 +709,7 @@ ia32_sys_call_table:
709 .quad compat_sys_set_robust_list 709 .quad compat_sys_set_robust_list
710 .quad compat_sys_get_robust_list 710 .quad compat_sys_get_robust_list
711 .quad sys_splice 711 .quad sys_splice
712 .quad sys_sync_file_range 712 .quad sys32_sync_file_range
713 .quad sys_tee /* 315 */ 713 .quad sys_tee /* 315 */
714 .quad compat_sys_vmsplice 714 .quad compat_sys_vmsplice
715 .quad compat_sys_move_pages 715 .quad compat_sys_move_pages
diff --git a/arch/x86_64/ia32/sys_ia32.c b/arch/x86_64/ia32/sys_ia32.c
index 200fdde18d96..99a78a3cce7c 100644
--- a/arch/x86_64/ia32/sys_ia32.c
+++ b/arch/x86_64/ia32/sys_ia32.c
@@ -860,3 +860,22 @@ long sys32_lookup_dcookie(u32 addr_low, u32 addr_high,
860 return sys_lookup_dcookie(((u64)addr_high << 32) | addr_low, buf, len); 860 return sys_lookup_dcookie(((u64)addr_high << 32) | addr_low, buf, len);
861} 861}
862 862
863asmlinkage ssize_t sys32_readahead(int fd, unsigned off_lo, unsigned off_hi, size_t count)
864{
865 return sys_readahead(fd, ((u64)off_hi << 32) | off_lo, count);
866}
867
868asmlinkage long sys32_sync_file_range(int fd, unsigned off_low, unsigned off_hi,
869 unsigned n_low, unsigned n_hi, int flags)
870{
871 return sys_sync_file_range(fd,
872 ((u64)off_hi << 32) | off_low,
873 ((u64)n_hi << 32) | n_low, flags);
874}
875
876asmlinkage long sys32_fadvise64(int fd, unsigned offset_lo, unsigned offset_hi, size_t len,
877 int advice)
878{
879 return sys_fadvise64_64(fd, ((u64)offset_hi << 32) | offset_lo,
880 len, advice);
881}