diff options
Diffstat (limited to 'man2/cacheflush.2')
| -rw-r--r-- | man2/cacheflush.2 | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/man2/cacheflush.2 b/man2/cacheflush.2 index 733462e..b2a5f26 100644 --- a/man2/cacheflush.2 +++ b/man2/cacheflush.2 @@ -3,7 +3,7 @@ .\" .\" SPDX-License-Identifier: GPL-2.0-or-later .\" -.TH cacheflush 2 2023-03-30 "Linux man-pages 6.05.01" +.TH cacheflush 2 2023-10-31 "Linux man-pages 6.7" .SH NAME cacheflush \- flush contents of instruction and/or data cache .SH LIBRARY @@ -12,10 +12,10 @@ Standard C library .SH SYNOPSIS .nf .B #include <sys/cachectl.h> -.PP +.P .BI "int cacheflush(void " addr [. nbytes "], int "nbytes ", int "cache ); .fi -.PP +.P .IR Note : On some architectures, there is no glibc wrapper for this system call; see NOTES. @@ -73,7 +73,7 @@ glibc provides a wrapper for this system call, with the prototype shown in SYNOPSIS, for the following architectures: ARC, CSKY, MIPS, and NIOS2. -.PP +.P On some other architectures, Linux provides this system call, with different arguments: .TP @@ -92,7 +92,7 @@ NDS32: .nf .BI "int cacheflush(unsigned int " start ", unsigned int " end ", int " cache ); .fi -.PP +.P On the above architectures, glibc does not provide a wrapper for this system call; call it using .BR syscall (2). @@ -102,17 +102,17 @@ you probably want to use the GCC built-in function .BR __builtin___clear_cache (), which provides a portable interface across platforms supported by GCC and compatible compilers: -.PP +.P .in +4n .EX .BI "void __builtin___clear_cache(void *" begin ", void *" end ); .EE .in -.PP +.P On platforms that don't require instruction cache flushes, .BR __builtin___clear_cache () has no effect. -.PP +.P .IR Note : On some GCC-compatible compilers, the prototype for this built-in function uses @@ -133,7 +133,7 @@ and .I nbytes arguments, making this function fairly expensive. Therefore, the whole cache is always flushed. -.PP +.P This function always behaves as if .B BCACHE has been passed for the |