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* [glibc] linux: Use same type for MMAP2_PAGE_UNIT
@ 2022-09-20 16:29 Adhemerval Zanella
  0 siblings, 0 replies; only message in thread
From: Adhemerval Zanella @ 2022-09-20 16:29 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=85a322874404d1a13e9d628b8bc44120cabf7e12

commit 85a322874404d1a13e9d628b8bc44120cabf7e12
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Thu Mar 10 08:07:37 2022 -0300

    linux: Use same type for MMAP2_PAGE_UNIT
    
    It avoid a possible compiler warning where right size of operator
    is converted from a negative value to unsigned.
    
    Reviewed-by: Florian Weimer <fweimer@redhat.com>

Diff:
---
 sysdeps/unix/sysv/linux/arc/mmap_internal.h  | 2 +-
 sysdeps/unix/sysv/linux/ia64/mmap_internal.h | 2 +-
 sysdeps/unix/sysv/linux/m68k/mmap_internal.h | 2 +-
 sysdeps/unix/sysv/linux/mmap_internal.h      | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/sysdeps/unix/sysv/linux/arc/mmap_internal.h b/sysdeps/unix/sysv/linux/arc/mmap_internal.h
index d8bbcab0a1..59e8260b5c 100644
--- a/sysdeps/unix/sysv/linux/arc/mmap_internal.h
+++ b/sysdeps/unix/sysv/linux/arc/mmap_internal.h
@@ -20,7 +20,7 @@
 #define MMAP_ARC_INTERNAL_H
 
 /* 8K is default but determine the shift dynamically with getpagesize.  */
-#define MMAP2_PAGE_UNIT -1
+#define MMAP2_PAGE_UNIT -1ULL
 
 #include_next <mmap_internal.h>
 
diff --git a/sysdeps/unix/sysv/linux/ia64/mmap_internal.h b/sysdeps/unix/sysv/linux/ia64/mmap_internal.h
index 0c0a0ced99..465d589281 100644
--- a/sysdeps/unix/sysv/linux/ia64/mmap_internal.h
+++ b/sysdeps/unix/sysv/linux/ia64/mmap_internal.h
@@ -22,7 +22,7 @@
 /* Linux allows PAGE_SHIFT in range of [12-16] and expect
    mmap2 offset to be provided in based on the configured pagesize.
    Determine the shift dynamically with getpagesize.  */
-#define MMAP2_PAGE_UNIT -1
+#define MMAP2_PAGE_UNIT -1ULL
 
 #include_next <mmap_internal.h>
 
diff --git a/sysdeps/unix/sysv/linux/m68k/mmap_internal.h b/sysdeps/unix/sysv/linux/m68k/mmap_internal.h
index 8e6f1ed84c..9330edfc05 100644
--- a/sysdeps/unix/sysv/linux/m68k/mmap_internal.h
+++ b/sysdeps/unix/sysv/linux/m68k/mmap_internal.h
@@ -22,7 +22,7 @@
 /* ColdFire and Sun 3 kernels have PAGE_SHIFT set to 13 and expect
    mmap2 offset to be provided in 8K pages.  Determine the shift
    dynamically with getpagesize.  */
-#define MMAP2_PAGE_UNIT -1
+#define MMAP2_PAGE_UNIT -1ULL
 
 #include_next <mmap_internal.h>
 
diff --git a/sysdeps/unix/sysv/linux/mmap_internal.h b/sysdeps/unix/sysv/linux/mmap_internal.h
index aebf97d064..2d118b0d8a 100644
--- a/sysdeps/unix/sysv/linux/mmap_internal.h
+++ b/sysdeps/unix/sysv/linux/mmap_internal.h
@@ -28,7 +28,7 @@
 # define MMAP2_PAGE_UNIT 4096ULL
 #endif
 
-#if MMAP2_PAGE_UNIT == -1
+#if MMAP2_PAGE_UNIT == -1ULL
 static uint64_t page_unit;
 # define MMAP_CHECK_PAGE_UNIT()			\
   if (page_unit == 0)				\

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