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There's a subtle problem with "inline" usage in <linux/string.h>:
<linux/string.h>:
this pulls in __constant_c_and_count_memset()
<linux/mm.h>:
this pulls <compiler.h>, re-defining
inline == __inline__ __attribute__((always_inline)).
But by now it is too late! The compiler has already seen the bare
"inline" in string.h, and hasn't inlined it.
Result:
# grep __constant System.map
c0144670 t __constant_c_and_count_memset
c0145c60 t __constant_c_and_count_memset
... many more copies of this function ...
Fixed by including <compiler.h> early enough.
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Convert dev_alloc_name from O(n^2) lookup to O(n) by using a page as
bitmap to figure out how many devices of that pattern have been allocated.
This works for up to 32k devices (PAGE_SIZE*8) on i386, more on other
platforms. Correctly handles the boundary cases where number of devices
won't fit because name length is limited.
Adds strnchr to the string libraries since we need to find the % format
character, but only care if it is in the first 15 bytes.
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This patch implements a generic strcspn.
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- Al Viro: fix d_flags race between low-level fs and VFS layer.
- David Miller: sparc updates
- S390 update
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